Load the array class in the compiler for allocations.

Removing one other dependency for needing to pass
the current method, and having dex_cache_resolved_types_
in ArtMethod.

oat file increase:
- x64: 0.25%
- arm32: 0.30%
- x86: 0.28%

test: test-art-host, test-art-target
Change-Id: Ibca4fa00d3e31954db2ccb1f65a584b8c67cb230