androidtest.bash: drop noisy adb sync output
LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/138070043
diff --git a/src/androidtest.bash b/src/androidtest.bash
index 9bf7773..43a93a1 100755
--- a/src/androidtest.bash
+++ b/src/androidtest.bash
@@ -47,7 +47,9 @@
ln -s $GOROOT/src/pkg $FAKE_GOROOT/src/pkg
ln -s $GOROOT/test $FAKE_GOROOT/test
ln -s $GOROOT/lib $FAKE_GOROOT/lib
-adb sync data
+echo '# Syncing test files to android device'
+time adb sync data &> /dev/null
+echo ''
rm -rf "$ANDROID_PRODUCT_OUT"
# Run standard build and tests.
