Remove dependence on libandroid_runtime from Bitmap.cpp

The end goal is to have Bitmap.cpp use AParcel, but until that
API is extended to support this use case this is an alternative
way to isolate the graphics files from the libandroid_runtime.

Test: CtsGraphicsTestCases
Bug: 145227478
Change-Id: Ie3854fe03dec4f7b1b485295bb9a5ebba52ddb7c
5 files changed