[automerger skipped] Fixing null deference in android.hardware.usb.gadget-service.example am: 9b13007164 am: daccd40364 am: 9fdd06303c -s ours

am skip reason: Merged-In Ib28b7848205809912b6789d0e050c1a981dc1ce8 with SHA-1 6fb5cb3332 is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2412576

Change-Id: I33b70ae3863f630ab762485b7d6ef1fb18f4ef59
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>