Use TEST_ART_RUN_TESTS consistently

Change-Id: I0242702886d53a39f2604e209a0763ff82278e1c
Use debug version of DEX2OAT explicitly.

Change-Id: I57b4c8caedcc6bfbeaa541d8171f8b5b3069c584

Conflicts:
	Android.mk
	build/Android.oat.mk
	test/Android.mk
Update missed DEX2OAT -> DEX2OATD changes.

Change-Id: I9556ac9ce30fe057e8b278858303e25c547e86ba

Conflicts:
	build/Android.oat.mk