Merge "legacy camera api: Enable zsl if preview frame rate is supported." into...

Merge "legacy camera api: Enable zsl if preview frame rate is supported." into sc-dev am: 84b903b0 am: 1b79f10f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/14526042

Change-Id: I409a24eafce2bb47b2541c20a26254670e9a75d5