Merge "Synchronize in LazyValue.get()" am: 92b71e564f am: 278a00a8d3 am: df6618821f am: e807d7e73e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1829879

Change-Id: I4dbff7d08a3c5a88e1ac466ef65d38aa3ec849ea