Merge "camera2: Fix backward compatibility breakage for setting metering regions." into sc-dev am: 4eeeee0f am: d5de4879 am: d0dbc24e

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

Change-Id: I5d1c6b78cbfb1275a2424422bf72c4097a591948