Add a mapping between ABIs and instruction sets.

Bridges the android ABI lists (TARGET_CPU_ABI, TARGET_CPU_ABI2
from the BoardConfig and android.os.Build.CPU_ABI) and the
runtime concept of an instruction set used for compilation
(the --instruction-set to dex2oat and so on).

(cherry picked from commit 6174cff204aa36e622e9bd93569b4a1eb2ed222c)

Change-Id: Id2eaa60f0546d6c88770f8981adac2a896ed7d49
2 files changed