tree b00ef4c536333504fb2ad9ed3ccd2ec9c312ac49
parent c2d77020f27b66a794c82efbec98737653a3b42a
author Malcolm Chen <refuhoo@google.com> 1578700630 -0800
committer Malcolm Chen <refuhoo@google.com> 1580761980 -0800

Use new @System API in ActivityManager to monitor screen being idle.

Bug: 144351078
Test: unittest
Change-Id: Icca9f1210823d49d4081a5c54b9ab55e0278713c
Merged-In: Icca9f1210823d49d4081a5c54b9ab55e0278713c