enable mheap-based screenshot

Change-Id: Ie16991bccb5187f06573e7afb4f97174b89d3b1c
enable kitkat low ram optimizations

http://source.android.com/devices/low-ram.html

Marking device as low ram disables all kinds of cool KitKat
features. Remove ro.config.low_ram=true from build.prop to enable:
*transparent status/navigation bars
*lockscreen widgets
*high-end graphics on recent apps view and notification shade
*hw accelerated graphics on lockscreen and input method
*more max background apps/syncs/broadcasts/etc

Change-Id: I1d76eb630fc676f9902706a8f7720a1d00f975ad
use classic webview

*skip building chromium webview
*re-add webcore flags
*enable classic webview

This reverts commit e34f983eda6e0c9fa92a95392e2660e695bd136e.

Change-Id: Ifddaf1d94e6a120619aac6eee05402ab29fac1f7
audio_policy: remove remote submix

Change-Id: I9f59256d33d1a075a2686957182c93ed9e2b693d
init: remove logwrapper from wpa_supplicant

Change-Id: I238658316e6785eb25a4d11af2c982976b991322
update boot animation size handling

Change-Id: Id57992881d431c72dae2498dbd42921df89a1d0c