Fix Android Studio not reading symbols of proto generated classes

play-services-core-proto/build.gradle

@@ -16,6 +16,10 @@ wire {
     }
 }
 
+sourceSets {
+    main.java.srcDirs += "$buildDir/generated/source/wire"
+}
+
 compileKotlin {
     kotlinOptions.jvmTarget = 1.8
 }

play-services-nearby-core-proto/build.gradle

@@ -16,6 +16,10 @@ wire {
     kotlin {}
 }
 
+sourceSets {
+    main.java.srcDirs += "$buildDir/generated/source/wire"
+}
+
 compileKotlin {
     kotlinOptions.jvmTarget = 1.8
 }

play-services-wearable-proto/build.gradle

@@ -16,6 +16,10 @@ wire {
     }
 }
 
+sourceSets {
+    main.java.srcDirs += "$buildDir/generated/source/wire"
+}
+
 compileKotlin {
     kotlinOptions.jvmTarget = 1.8
 }