provide overrides for hwui memory limits for xxhdpi phones

Change-Id: I8b369619cd07530d0468a5449da30f338c13c7d2
libutils: get ride of debug trace file errors

put them as warning only...

Change-Id: Idbdddbc83833c938288da6b7a68fb3539d139538
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1