Add libdmabufheap to hwasan-postsubmit am: 1a220f6b55 am: 8326d26c7e am: c1dc7133b8 am: 666e7028fd

Original change: https://android-review.googlesource.com/c/platform/system/memory/libdmabufheap/+/2032486

Change-Id: Iad35f4dad8646b9d84393806cd6bcaac820b4ece
tree: 1958a3c973ff573627f525a97934638eb9509fba
  1. include/
  2. tests/
  3. Android.bp
  4. BufferAllocator.cpp
  5. BufferAllocatorWrapper.cpp