Make change and version bump to r_aml_300900700 for mainline module file: packages/Tethering/apex/manifest.json

Change-Id: Ieed62e845451de7c90a0f71a21289003e5ea8b72
tree: 3c4e8ddef4abb94dff9a0daef5aeb052ae97fbef
  1. Tethering/