Ignore /dev/* MapInfo for GetBuildID

Similarly to CreateMemory, do no try to access the backing file if this
is a device file.

Bug: 68319037
Test: atest --host libunwindstack_unit_test
Change-Id: I23fb7c449069bcbc4893a87f8d3a2a38b11c9eba
2 files changed
tree: 838f66f72f0b2ecc315745e87a3a49ecf8a92daa
  1. libbacktrace/
  2. libunwindstack/
  3. OWNERS
  4. PREUPLOAD.cfg