Merge "Create an empty String8 to cause the first allocation" am: 896cdca9

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2186419



Change-Id: I75047367f2dbc4e36c1b0c89d65a44795170da54
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>