Fimg2d: set fimg.isFilter in SkDraw::drawBitmap

Set fimg.isFilter from paint.isFilterBitmap() in drawBitmap like
it's done later in drawRect_withG2D.

Change-Id: I8c27933dba28ae8834f02cb1ba66ec58dd2c933c
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_external_skia into cm-10.1