Make change and version bump to r_aml_300802700 for mainline module file: packages/Tethering/apex/manifest.json

Change-Id: I7670710e4da2f340a3fb02c3b3b3373c36adf3e7
tree: c8c8283d971d5c19c8bc5a5205bccbaab53f3e27
  1. Tethering/