Merge "Use -target 8 for android_uiautomator" into rvc-dev am: 48666a1abb am: a5498a5d70 am: 1b7afbefc8 am: b2557eefcf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12297232

Change-Id: I140c96fc16652ead2271cc2bd4f0de624f2448bc