[ImsServiceEntitlement] Fix Flaky test EntitlementUtilsTest#entitlementCheck_cancelEntitlementCheck_onFailure am: 4d5576fbe1 am: a160c95c1c

Original change: https://android-review.googlesource.com/c/platform/packages/apps/ImsServiceEntitlement/+/2814017

Change-Id: I833d6e23c00d61fc3b9fc996a2ee2af5b9e2f3fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>