Merge changes from topic "cf-arm64"

* changes:
  Add support for DFU over TFTP to ARM host image
  Add overwrite capability to ARM host image script
  Add partition flags to ARM host image script
  Add trampoline init script to ARM host image
  Add SD card duplicator service to ARM host image
  Add capability to write ARM host image to block device
  Add cuttlefish-common package to ARM stable host image
  Add UUID reinitialization to ARM stable host image
  Create arm64 stable host image build script
tree: b58be5ab1691a62f48be6886aedcc26897611100
  1. common/
  2. guest/
  3. host/
  4. tests/
  5. tools/
  6. Android.bp
  7. Android.mk
  8. OWNERS
  9. TEST_MAPPING