Fixing null deference in android.hardware.usb.gadget-service.example

Test: atest VtsAidlUsbTargetTest
Bug: 267534245
Change-Id: Ib28b7848205809912b6789d0e050c1a981dc1ce8
Merged-In: Ib28b7848205809912b6789d0e050c1a981dc1ce8
1 file changed