libdmabufheap: test: Don't create mapping if heap is supported neither in DMA-BUF heaps nor ION am: 72bc22888a am: c08d587272 am: e98d394d98

Original change: https://android-review.googlesource.com/c/platform/system/memory/libdmabufheap/+/1792809

Change-Id: I64abaed9810c3dee4864c1bcf7effdbc4d632e48
tree: 0455a865d0ce0d2049cafe7938d2ae9e6893a10b
  1. include/
  2. tests/
  3. Android.bp
  4. BufferAllocator.cpp
  5. BufferAllocatorWrapper.cpp