[automerger skipped] An enum is initialized as zero if it doesn't have default value am: f2e752316b am: e27ccbada4 -s ours am: a950b79e92 -s ours

am skip reason: Merged-In I6cb67258cc4aacc41ae80c46ccee10a3cfe723f6 with SHA-1 8f9de735cc is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/tools/aidl/+/15905949

Change-Id: Iaa06a2f99e2312b2ffe840a5f19c59d61c861684