Change-Id: Ie48c57428a7fc9ead8114f7b11071ad9e6586b96
Add allocator, mapper and composer HALs. This relies on TARGET_USES_HWC2 and TARGET_USES_GRALLOC1 being enabled. Change-Id: I913f4d8fa719261abf52becf7d24fef433f7f1d5