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 am: 564cdd0a

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

Change-Id: If3b030c90dca02e2443e1ff50e9bc216eecb1fbd