fix: live agents using Gemini don't call tools

PiperOrigin-RevId: 792932869

Author: Poggecci

core/src/main/java/com/google/adk/models/GeminiLlmConnection.java

@@ -206,7 +206,10 @@ public Completable sendContent(Content content) {
               .build());
     } else {
       return sendClientContentInternal(
-          LiveSendClientContentParameters.builder().turns(ImmutableList.of(content)).build());
+          LiveSendClientContentParameters.builder()
+              .turns(ImmutableList.of(content))
+              .turnComplete(true)
+              .build());
     }
   }
 

core/src/main/java/com/google/adk/tools/BaseTool.java

@@ -23,6 +23,7 @@
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
 import com.google.genai.types.FunctionDeclaration;
 import com.google.genai.types.GenerateContentConfig;
+import com.google.genai.types.LiveConnectConfig;
 import com.google.genai.types.Tool;
 import io.reactivex.rxjava3.core.Completable;
 import io.reactivex.rxjava3.core.Single;
@@ -110,19 +111,23 @@ public Completable processLlmRequest(
                       .build())
               .build();
     }
+    ImmutableList<Tool> newTools =
+        new ImmutableList.Builder<Tool>()
+            .addAll(toolsWithoutFunctionDeclarations)
+            .add(toolWithFunctionDeclarations)
+            .build();
     // Patch the GenerateContentConfig with the new tool definition.
     GenerateContentConfig generateContentConfig =
         llmRequest
             .config()
             .map(GenerateContentConfig::toBuilder)
             .orElse(GenerateContentConfig.builder())
-            .tools(
-                new ImmutableList.Builder<Tool>()
-                    .addAll(toolsWithoutFunctionDeclarations)
-                    .add(toolWithFunctionDeclarations)
-                    .build())
+            .tools(newTools)
             .build();
+    LiveConnectConfig liveConnectConfig =
+        llmRequest.liveConnectConfig().toBuilder().tools(newTools).build();
     llmRequestBuilder.config(generateContentConfig);
+    llmRequestBuilder.liveConnectConfig(liveConnectConfig);
     return Completable.complete();
   }