Update HIDL EventFlagBits to have the correct values am: 3df20dea31

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3163641

Change-Id: Ie4691b7b6e1b4b43710d04074183a61ec02f3c03
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>