Support forcing all screenshots into a CPU consumer

Looks like a full GPU path is less efficient on some GPU
drivers that we're still using, and CPU is reliably faster...
(there's probably a locking condition going on somewhere, this
needs to be looked into)

Change-Id: I8878796a117d65bf2324507cf8755cadce49f6dc

Configure dalvik heap parameters for low memory devices

Reduces after boot memory footprint by about 5-8MB
Note: This is for low memory based devices only (~512MB RAM
or less)

Change-Id: I4b4b9ae3efaff96551457e566bbb9bd4f0f23fd5

libutils: get ride of debug trace file errors

put them as warning only...

Change-Id: Idbdddbc83833c938288da6b7a68fb3539d139538

libutils: get ride of debug trace file errors

put them as warning only...

Change-Id: Idbdddbc83833c938288da6b7a68fb3539d139538

provide overrides for hwui memory limits for xxhdpi phones

Change-Id: I8b369619cd07530d0468a5449da30f338c13c7d2

provide overrides for hwui memory limits for xxhdpi phones

Change-Id: I8b369619cd07530d0468a5449da30f338c13c7d2

provide overrides for hwui memory limits for xxhdpi phones

Change-Id: I8b369619cd07530d0468a5449da30f338c13c7d2

Add heap configuration for 1080p phones with 2048m

 * Increase heap start size to 16m to minimize GC with larger bitmaps

Change-Id: I8fbba2e5a2a2cf2d7a6898ca6bae8639d6cf5a19

Add heap configuration for 1080p phones with 2048m

 * Increase heap start size to 16m to minimize GC with larger bitmaps

Change-Id: I8fbba2e5a2a2cf2d7a6898ca6bae8639d6cf5a19

native: add flag to disable legacy sensors fusion

Causes problems on all p31xx devices.
http://pastebin.com/PabjFVWP

Change-Id: Iac9a913e0984d7e9e419772215d3fb3d1a0cb5e8