Merge "Allow SearchBox title to scale to system font size" into udc-qpr-dev am: 2e5c0b58b7 am: 10dc16e9c1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24633587

Change-Id: I744ce16981a07a155bae4fb0e4ed231b358096e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>