Ensure system instruction content has system role

[rlazo]

Although the model has been ignoring the role in the content declared as part of "system_instruction", the correct value should be "system"

[github-actions]

Javadoc Changes:

--- /home/runner/diff/original/firebase-kotlindoc/android/com/google/firebase/vertexai/type/Content.html	2024-10-07 16:40:20.334907259 +0000
+++ /home/runner/diff/modified/firebase-kotlindoc/android/com/google/firebase/vertexai/type/Content.html	2024-10-07 16:38:07.685941522 +0000
@@ -102,6 +102,27 @@
         </tbody>
       </table>
     </div>
+    <div class="devsite-table-wrapper">
+      <table class="responsive">
+        <colgroup>
+          <col width="40%">
+          <col>
+        </colgroup>
+        <thead>
+          <tr>
+            <th colspan="100%"><h3>Public methods</h3></th>
+          </tr>
+        </thead>
+        <tbody class="list">
+          <tr>
+            <td><code>final @<a href="https://developer.android.com/reference/kotlin/androidx/annotation/NonNull.html">NonNull</a> <a href="/docs/reference/android/com/google/firebase/vertexai/type/Content.html">Content</a></code></td>
+            <td>
+              <div><code><a href="/docs/reference/android/com/google/firebase/vertexai/type/Content.html#copy(kotlin.String,kotlin.collections.List)">copy</a>(<a href="https://developer.android.com/reference/kotlin/java/lang/String.html">String</a>&nbsp;role,&nbsp;@<a href="https://developer.android.com/reference/kotlin/androidx/annotation/NonNull.html">NonNull</a> <a href="https://developer.android.com/reference/kotlin/java/util/List.html">List</a>&lt;@<a href="https://developer.android.com/reference/kotlin/androidx/annotation/NonNull.html">NonNull</a> <a href="/docs/reference/android/com/google/firebase/vertexai/type/Part.html">Part</a>&gt;&nbsp;parts)</code></div>
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
     <div class="list">
       <h2>Public fields</h2>
       <div class="api-item"><a name="getParts()"></a><a name="setParts()"></a><a name="getParts--"></a><a name="setParts--"></a>
@@ -149,6 +170,13 @@
         </div>
       </div>
     </div>
+    <div class="list">
+      <h2>Public methods</h2>
+      <div class="api-item"><a name="copy(kotlin.String, kotlin.collections.List)"></a><a name="copy-kotlin.String-kotlin.collections.List-"></a><a name="copy"></a>
+        <h3 class="api-name" id="copy(kotlin.String,kotlin.collections.List)">copy</h3>
+        <pre class="api-signature no-pretty-print">public&nbsp;final&nbsp;@<a href="https://developer.android.com/reference/kotlin/androidx/annotation/NonNull.html">NonNull</a> <a href="/docs/reference/android/com/google/firebase/vertexai/type/Content.html">Content</a>&nbsp;<a href="/docs/reference/android/com/google/firebase/vertexai/type/Content.html#copy(kotlin.String,kotlin.collections.List)">copy</a>(<a href="https://developer.android.com/reference/kotlin/java/lang/String.html">String</a>&nbsp;role,&nbsp;@<a href="https://developer.android.com/reference/kotlin/androidx/annotation/NonNull.html">NonNull</a> <a href="https://developer.android.com/reference/kotlin/java/util/List.html">List</a>&lt;@<a href="https://developer.android.com/reference/kotlin/androidx/annotation/NonNull.html">NonNull</a> <a href="/docs/reference/android/com/google/firebase/vertexai/type/Part.html">Part</a>&gt;&nbsp;parts)</pre>
+      </div>
+    </div>
   </body>
 </html>
 

--- /home/runner/diff/original/firebase-kotlindoc/kotlin/com/google/firebase/vertexai/type/Content.html	2024-10-07 16:40:20.328907215 +0000
+++ /home/runner/diff/modified/firebase-kotlindoc/kotlin/com/google/firebase/vertexai/type/Content.html	2024-10-07 16:38:07.679941479 +0000
@@ -81,6 +81,27 @@
         </colgroup>
         <thead>
           <tr>
+            <th colspan="100%"><h3>Public functions</h3></th>
+          </tr>
+        </thead>
+        <tbody class="list">
+          <tr>
+            <td><code><a href="/docs/reference/kotlin/com/google/firebase/vertexai/type/Content.html">Content</a></code></td>
+            <td>
+              <div><code><a href="/docs/reference/kotlin/com/google/firebase/vertexai/type/Content.html#copy(kotlin.String,kotlin.collections.List)">copy</a>(role:&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html">String</a>?,&nbsp;parts:&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html">List</a>&lt;<a href="/docs/reference/kotlin/com/google/firebase/vertexai/type/Part.html">Part</a>&gt;)</code></div>
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+    <div class="devsite-table-wrapper">
+      <table class="responsive">
+        <colgroup>
+          <col width="40%">
+          <col>
+        </colgroup>
+        <thead>
+          <tr>
             <th colspan="100%"><h3>Public properties</h3></th>
           </tr>
         </thead>
@@ -137,6 +158,13 @@
       </div>
     </div>
     <div class="list">
+      <h2>Public functions</h2>
+      <div class="api-item"><a name="copy(kotlin.String, kotlin.collections.List)"></a><a name="copy-kotlin.String-kotlin.collections.List-"></a><a name="copy"></a>
+        <h3 class="api-name" id="copy(kotlin.String,kotlin.collections.List)">copy</h3>
+        <pre class="api-signature no-pretty-print">fun&nbsp;<a href="/docs/reference/kotlin/com/google/firebase/vertexai/type/Content.html#copy(kotlin.String,kotlin.collections.List)">copy</a>(role:&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html">String</a>? = this.role,&nbsp;parts:&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html">List</a>&lt;<a href="/docs/reference/kotlin/com/google/firebase/vertexai/type/Part.html">Part</a>&gt; = this.parts):&nbsp;<a href="/docs/reference/kotlin/com/google/firebase/vertexai/type/Content.html">Content</a></pre>
+      </div>
+    </div>
+    <div class="list">
       <h2>Public properties</h2>
       <div class="api-item"><a name="getParts()"></a><a name="setParts()"></a><a name="getParts--"></a><a name="setParts--"></a>
         <h3 class="api-name" id="parts()">parts</h3>

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Test Results

 20 files  +2   20 suites  +2   16s ⏱️ ±0s
112 tests +1  112 ✅ +1  0 💤 ±0  0 ❌ ±0 
224 runs  +2  224 ✅ +2  0 💤 ±0  0 ❌ ±0 

Results for commit 0e0bc4f. ± Comparison against base commit 448adae.

♻️ This comment has been updated with latest results.

[daymxn]

LGTM

Left a comment, but if you wanna keep as is that's fine too