Add logic to the Android packaging for the messaging aar

Author: a-maurice

build_scripts/android/package.sh

@@ -53,5 +53,9 @@ for product in ${product_list[*]}; do
     done
     # Copy the top-level Proguard files in as well.
     cp -f "${sourcepath}/${product}/build/Release/${product}.pro" "${destpath}/libs/android/"
+    # Copy the special messaging aar file, but only if messaging was built.
+    if [[ "${product}" == "messaging" ]]; then
+        cp -f "${sourcepath}/messaging/messaging_java/build/outputs/aar/messaging_java-release.aar" "${destpath}/libs/android/firebase_messaging_cpp.aar"
+    fi
 done
 cd "${origpath}"