Merge "camera2: Add system api to specify oom score offset while opening a...

Merge "camera2: Add system api to specify oom score offset while opening a camera." into sc-dev am: 441d5e9e am: f232de7b am: 3ab4e68a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14625167

Change-Id: I55d1d3fcc6c48f3314ec862981ea9128598c1df1