[automerger skipped] Do not crash when duplication found in merged imsi list am: a4b025f7 -s ours

am skip reason: Merged-In I69d332ee0acde6cdd7582d1aa18c82576f7090f2 with SHA-1 fe5f1e99 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20662391



Change-Id: I398cbe319ec71aa44fb00529809750196676bfa8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>