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: b5c47906

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

Change-Id: I34e8e945409c05b0a740e4b2988139f88354b53a