Add the kotlin and kotlin-lite directories to the main pom.xml (#8585)

* Add the kotlin and kotlin-lite directories to the main pom.xml

* Updated Kotlin versions to 3.17.0-rc1

* Fix Mac CI tests by resolving brew package conflict

java/kotlin-lite/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.15.6</version>
+    <version>3.17.0-rc-1</version>
   </parent>
 
   <artifactId>protobuf-kotlin-lite</artifactId>

java/kotlin/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.15.6</version>
+    <version>3.17.0-rc-1</version>
   </parent>
 
   <artifactId>protobuf-kotlin</artifactId>

java/pom.xml

@@ -238,6 +238,8 @@
     <module>lite</module>
     <module>core</module>
     <module>util</module>
+    <module>kotlin</module>
+    <module>kotlin-lite</module>
   </modules>
 
 </project>

kokoro/macos/prepare_build_macos_rc

@@ -45,6 +45,11 @@ sudo rm -rf \
 git -C /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core fetch --unshallow
 git -C /usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask fetch --unshallow
 
+# This is needed to fix a conflict between the ilmbase and imath packages,
+# which seem to conflict with each other by both trying to install
+# libImath.dylib.
+brew unlink ilmbase
+
 brew update
 brew upgrade