Merge "Revert QosCallbackException constant values" am: fc307eab4b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2152656

Change-Id: I933da43d71822246936b16ff873252a9a65268d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>