Merge "Add searchable metadata attribute for injected tiles." into udc-qpr-dev...

Merge "Add searchable metadata attribute for injected tiles." into udc-qpr-dev am: ebe56890 am: 770e17a3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24755218



Change-Id: Iaa165515f018b377bb44fb81afea7ae426309bc7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>