From c240f270773a49eb9c78ad7bcf7ef33c09aa5094 Mon Sep 17 00:00:00 2001
From: ZHANG Dapeng <zdapeng@google.com>
Date: Wed, 28 Aug 2019 12:56:49 -0700
Subject: [PATCH] buildscripts: android.sh to clean the build when building
 HEAD^

A gradle plugin [issue](google/protobuf-gradle-plugin#331) was seen for https://github.com/grpc/grpc-java/pull/6099. This PR try to workaround it.
---
 buildscripts/kokoro/android.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/buildscripts/kokoro/android.sh b/buildscripts/kokoro/android.sh
index da1a434253..358db09c46 100755
--- a/buildscripts/kokoro/android.sh
+++ b/buildscripts/kokoro/android.sh
@@ -86,6 +86,7 @@ new_apk_size="$(stat --printf=%s $HELLO_WORLD_OUTPUT_DIR/apk/release/app-release
 
 cd $BASE_DIR/github/grpc-java
 git checkout HEAD^
+./gradlew clean
 ./gradlew publishToMavenLocal
 cd examples/android/helloworld/
 ../../gradlew build