libdmabufheap: test: Don't create mapping if heap is supported neither in DMA-BUF heaps nor ION am: 871050a5d5

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/memory/libdmabufheap/+/15533620

Change-Id: Ie7e057d32e92196228603d583887a69024329204
tree: 0455a865d0ce0d2049cafe7938d2ae9e6893a10b
  1. include/
  2. tests/
  3. Android.bp
  4. BufferAllocator.cpp
  5. BufferAllocatorWrapper.cpp