Merge "Add padding for PlaceholderTitle" into udc-dev am: 990541dc am: 1cf9a03a am: 19defcde

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23406959



Change-Id: I62371b12ac2f11958cfaf5ea334532ac963be87c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>