message: Fixing example Android project build by gradle. Removing conflict with bazel file name.
diff: @@ -22,3 +22,7 @@ allprojects {
  task clean(type: Delete) {
  delete rootProject.buildDir
  }
  +
  +// Changed since default name 'build' conflicts with
  +// bazel BUILD file name.
  +buildDir = "gradle-build"
  