Merge commit 'd6e86a687d57851b90d025ae33a8e4021bffe10d' * commit 'd6e86a687d57851b90d025ae33a8e4021bffe10d': Throttle camera preview frames to the app. Bug 2180302.
Merge commit 'd6e86a687d57851b90d025ae33a8e4021bffe10d' * commit 'd6e86a687d57851b90d025ae33a8e4021bffe10d': Throttle camera preview frames to the app. Bug 2180302.