Merge "Read isKeyguardScreenRotationAllowed each time instead of caching" into sc-v2-dev am: f1edea6716 am: cf79a70c66

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15502272

Change-Id: Ie459d9e4358f157ef09b6fd22da9178d4b8c1923