graphics: rev IAllocator/IMapper to 4.0

Rev the IAllocator/IMapper HIDL interfaces to 4.0. This patch is
a copy paste from IAllocator/IMapper 3.0.

Bug: 136016160
Test: Compiles and boots

Change-Id: Ia7f159f97fe0f812b5f0e10a850715364090883c
13 files changed