[ImsServiceEntitlement] Fix Flaky test EntitlementUtilsTest#entitlementCheck_cancelEntitlementCheck_onFailure am: 4d5576fbe1 am: a160c95c1c am: 4d3a604e28

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

Change-Id: I8d4945cdb77467997491cc3162f5ce5cf22a5ae9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>