Skia: bug fix for SkBitmapProcState_shaderproc.h

Take care of "dx" being 0 case

Change-Id: Ie492c0454d6c8876ea9bb48e911de77cc78a8e98
Add JCROM theme setting.

 - font
Merge branch 'cm-11.0-jcrom' of github.com:JCROM-Android/cm_android_external_skia into cm-11.0-jcrom