Allow libdmabufheap to use a mix of ION and DMA-BUF heaps am: ac059d8647

Original change: https://android-review.googlesource.com/c/platform/system/memory/libdmabufheap/+/1479376

Change-Id: I0647e83f234b3e8dff43d2269210a7ec6b5713e8
tree: 99992371a20823c9085791fa600a491f9f81703b
  1. include/
  2. tests/
  3. Android.bp
  4. BufferAllocator.cpp
  5. BufferAllocatorWrapper.cpp