Merge "Set placeholder summary for SettingsInjector" into tm-dev am: ae8254a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17352243



Change-Id: I630e7ec3feecf6ec82e2421cd7973c5b86b613a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>