[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 971086 - [Camera] 1.4 Visual Design - Image Capture/ Video Buttons
Merge pull request #16878 from dmarcos/bug971086

Bug971086
Bug 966835 - [User story] Add HDR to camera settings
Merge pull request #17153 from singhashish1887/bug966835_HDR_Mode

Bug 966835 - [User story] Add HDR to camera settings