Merge commit '6195432b6fde3cda4bc7e2406c8f2975795933a7'
* commit '6195432b6fde3cda4bc7e2406c8f2975795933a7':
Fix for 2177367: Reduce duration of vibrate in RotaryLockScreen
Fix issue #2176944: Need API so browser, others can determine memory size of device
Fix issue #2177262: Improve animations
Fix issue #2174566: HOT STABILITY: NPE in activity manager