Several skia tunings for JB_2.5

* Optiming constructor of Paint object
* Special copy path for small object
* Global Language list instead of constructing a new obj everytime.

Change-Id: I8d4687fffe055166a4758059872af09bfdc973d4
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_external_skia into cm-10.1