Fix ErrorPolicyManager#getMostRecentDataFailCause() am: 568d2203c3 am: fa88a863e2

Original change: https://android-review.googlesource.com/c/platform/packages/services/Iwlan/+/2210019

Change-Id: I265b3b7d2c992b34ded2a905df689b2e61a73b2a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>