Merge "Fix the problem that the title of MainsSitchPreference will be truncated." into sc-dev am: d8d35066c1 am: b5794e0fe1 am: 4d60b92c20

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15126530

Change-Id: I3220aa2a017960dd922c1a9c5ae81a077d9b005b