Merge pull request #16956 from wilsonpage/bug/979285

Bug 979285 - [Camera] Size the viewfinder to fill the device viewport
Revert "Merge pull request #16956 from wilsonpage/bug/979285"
[Camera] ISo implementation
Merge pull request #17095 from justindarc/bug966836

Bug 966836 - [User story] Set ISO mode to auto
Bug 966834 - [User story] Add white balance support in camera
Merge pull request #17102 from dmarcos/bug966834_hashish

Bug 966834 - [User story] Add white balance support in camera
Bug 976852 - [Camera] Indicator Icons On camera Preview for Important camera settings