Merge "Use 'cmd package list packages' to get the app uid." am: d7054da22b am: 19fb698c8d am: da659f06e5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2128505

Change-Id: I472929965eae64f22f34e8128c00b5e2b7b34d84
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>