Merge "Fix the problem that the title of MainsSitchPreference will be truncated." into sc-dev am: d8d35066 am: a7bb67d6 am: 605052ac

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

Change-Id: Ic00732d16b7e9f5fd1ee79a901129492fc6e65ca