[automerger skipped] libbinder_ndk: fix failure when dump/shell are unset am: deb53467 -s ours

am skip reason: skipped by user smoreland

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/12371718

Change-Id: I70c577d124033f33d7baf0eff58e55d9da64cf60