Merge "camera2: Fix backward compatibility breakage for setting metering regions." into sc-dev am: 4eeeee0f am: cfdd1aa0 am: 2906e1e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15451329

Change-Id: Ibeaf27004f42145760ae86259f956c3d3b25af10