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
Icon rotate depending on the device orientation
Consistency: Replacing tap event names with click
Replacing argument name to make clear that images and videos ar passed to the function
Removing old controls
New controls replace the old ones
Changing file permissions to 644
Getting rid of unused animation
Changes file permission
Using border-radius 50% instead of 100px to create a circle
Adding willReadFrequently: true to getContext call on canvas
Aligning buttons to match visual spec