fix SIGFPE in hwcomposer caused by modulo by zero

Change-Id: I36e798dc01a54340c8014a23be0081443b62ef70
disable texture-cache in boot-animation to fix OOM with new animation

Change-Id: I63249667fcf62dd1bfdd697451baa8b4479096a3
Merge branch 'cm-10.2' into martincz