chore: Resolve pom issues in IAM v3 generation

Author: lqiu96

java-iam/grpc-google-iam-v3/pom.xml

@@ -8,8 +8,8 @@
   <name>grpc-google-iam-v3</name>
   <description>GRPC library for proto-google-iam-v1</description>
   <parent>
-    <groupId>com.google.api.grpc</groupId>
-    <artifactId>proto-google-iam-v1-parent</artifactId>
+    <groupId>com.google.cloud</groupId>
+    <artifactId>google-iam-parent</artifactId>
     <version>1.50.2</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
@@ -42,4 +42,28 @@
       <artifactId>guava</artifactId>
     </dependency>
   </dependencies>
+
+  <profiles>
+    <profile>
+      <id>java9</id>
+      <activation>
+        <jdk>[9,)</jdk>
+      </activation>
+      <dependencies>
+        <dependency>
+          <groupId>javax.annotation</groupId>
+          <artifactId>javax.annotation-api</artifactId>
+        </dependency>
+      </dependencies>
+    </profile>
+  </profiles>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>flatten-maven-plugin</artifactId>
+      </plugin>
+    </plugins>
+  </build>
 </project>

java-iam/pom.xml

@@ -54,16 +54,6 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc.api.grpc</groupId>
-        <artifactId>proto-google-iam-v3</artifactId>
-        <version>1.50.2</version><!-- {x-version-update:proto-google-iam-v3:current} -->
-      </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc.api.grpc</groupId>
-        <artifactId>grpc-google-iam-v3</artifactId>
-        <version>1.50.2</version><!-- {x-version-update:grpc-google-iam-v3:current} -->
-      </dependency>
       <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava-bom</artifactId>
@@ -92,6 +82,11 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>com.google.api</groupId>
+        <artifactId>api-common</artifactId>
+        <version>2.47.2</version><!-- {x-version-update:api-common:current} -->
+      </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v2</artifactId>
@@ -127,6 +122,16 @@
         <artifactId>proto-google-iam-v1</artifactId>
         <version>1.50.2</version><!-- {x-version-update:proto-google-iam-v1:current} -->
       </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc.api.grpc</groupId>
+        <artifactId>proto-google-iam-v3</artifactId>
+        <version>1.50.2</version><!-- {x-version-update:proto-google-iam-v3:current} -->
+      </dependency>
+      <dependency>
+        <groupId>com.google.api.grpc.api.grpc</groupId>
+        <artifactId>grpc-google-iam-v3</artifactId>
+        <version>1.50.2</version><!-- {x-version-update:grpc-google-iam-v3:current} -->
+      </dependency>
       <dependency>
         <groupId>javax.annotation</groupId>
         <artifactId>javax.annotation-api</artifactId>

java-iam/proto-google-iam-v3/pom.xml

@@ -8,8 +8,8 @@
   <name>proto-google-iam-v3</name>
   <description>Proto library for proto-google-iam-v1</description>
   <parent>
-    <groupId>com.google.api.grpc</groupId>
-    <artifactId>proto-google-iam-v1-parent</artifactId>
+    <groupId>com.google.cloud</groupId>
+    <artifactId>google-iam-parent</artifactId>
     <version>1.50.2</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
@@ -21,10 +21,6 @@
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-common-protos</artifactId>
     </dependency>
-    <dependency>
-      <groupId>com.google.api.grpc</groupId>
-      <artifactId>proto-google-iam-v1</artifactId>
-    </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>api-common</artifactId>