Merge pull request #17280 from singhashish1887/bug984772_HDRIndicator

Bug 984772 - [Camera] HDR Indicator not displayed on View Finder (Screen...
Revert "Merge pull request #17280 from singhashish1887/bug984772_HDRIndicator"

This reverts commit 83242d8e2420e9c6a875150880ec421b3c5a360e, reversing
changes made to ad5a232980e427830fe272198052b858110960ba.
Bug 984772 - [Camera] HDR Indicator not displayed on View Finder (Screen)
[Camera] Low battery updates
Bug 948263 - [User Story] Warning when the battery is low while recording a video
Bug 948263 - [User Story] Warning when the battery is low while recording a video
Bug 948263 - [User Story] Warning when the battery is low while recording a video
 Bug 948263 - [User Story] Warning when the battery is low while recording a video
 Bug 948263 - [User Story] Warning when the battery is low while recording a video
 Bug 948263 - [User Story] Warning when the battery is low while recording a video
Tidy
Rebase on top of camera-new-features