Merge "Make the keyguard pattern view shrink when the device is half open."...

Merge "Make the keyguard pattern view shrink when the device is half open." into sc-v2-dev am: 6d351b59

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15371700

Change-Id: Iae40c4a0d947dc84aceff058e04bfc26a6ac22e4