Merge "[TetheringGoogle] Remove explicit targetSdkVersion" am: 956300ff15

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2193541

Change-Id: I1b10bd7693d22079d444a19dc92a34e982b72cae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>