Revert "Make sure to turn off led after pulse()"

it kill social apps pulse

This reverts commit acd576ecf87279f7e6523d23b1e80622e8b83603.
Revert "[1/2] Frameworks: Add in-the-spot user preference dialog"

it breaks quick pulldown settings

This reverts commit da3bc9f8d588f276acddaaa29e9afe2c29286d38.
Add ContentLoadingProgressBar support

ContentLoadingProgressBar allows developers to follow the policy for loading content
laid out in the style guide. The progress view will only show if MIN_DELAY
passes before the view is hidden. The progress view, if shown, will always
show for at least MIN_SHOW_TIME ms.

https://github.com/android/platform_frameworks_support/commit/befff92741b1f0629d9a9389a3889cca56d914a2

thanks @castorflex

Signed-off-by: hany <hany.alsamman@gmail.com>