Merge "Update to minSdkVersion 19 for tests." into udc-dev-plus-aosp am: 35639e6f29

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25361588

Change-Id: I08ffe2138803bde78e898df1f208903d195bf5b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>