Add read me file to explain where the code can be found.

Bug: 240287941
Test: read the file!
Change-Id: Ib622575e76b220340bad79f9603591255f1e3a14
1 file changed
tree: 96f3288c3c1dc376b42fa66d53977cb29072d56f
  1. Android.bp
  2. CarMediaApp.apk
  3. OWNERS
  4. ReadMe.txt
  5. update_prebuilt.sh