trusty: cast_auth: fix build with SDK updates am: 80b452d031 Original change: https://android-review.googlesource.com/c/trusty/app/cast-auth/+/3142303 Change-Id: I61528f14f0471f4cc43afae54164f5e5da49cfe2 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>