cronet tests: Do not run integration tests on R am: 04d72a0cde

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/23620646

Change-Id: I54d483bc935f69d8ae64b6a26190027aa8039423
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>