Make change and version bump to r_aml_300803000 for mainline module file: packages/Tethering/apex/manifest.json

Change-Id: I7a94ebf72bee6df80732d20b68e16cfbf1b65018
tree: d7c12576e8f98bedf0a63f6d4f2b845bbbe765df
  1. Tethering/