Merge "Fix setSplashScreenTheme documentation" into sc-dev am: ffad2f714d am: 276387cce1 am: 7f120ceac7 am: ee3e36abaf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16343578

Change-Id: I1c9dcafa23f70bee75d1c74367c6a1e483e351d5