Merge "Fix a security issue in app widget service." into tm-qpr-dev am: 32871f62 am: 72adc950

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19294513



Change-Id: Ida5c523591f495d9ce4d0276c41de38b1549abbd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>