Merge "Merge "Check app idle states and inform listeners on power-save-wl...

Merge "Merge "Check app idle states and inform listeners on power-save-wl change." into rvc-dev am: 91294181 am: 0acff8fd am: 55727b13" into rvc-qpr-dev-plus-aosp am: c7743f00

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12166806

Change-Id: Iff3cf7675dc0a97727175e4daaff14a957d7d84b