Revert "Back to the past"

This reverts commit 7ec2244ec218c13195b3caf2bcd1415d959b59b3.
Revert "Added revision branch"

This reverts commit ae2cc81dae8554e5843c7bfec8b1b62fa5996093.
Revert "We use our own android_packages_apps_Bluetooth repo"

This reverts commit 0097c3949c6fa7cf26aad7598204f67ebc12be4b.