pdl: Make primite enums repr(u64) again am: db57f167

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/22985765



Change-Id: Ide3e4f82c6713422190aca431a372b17e18bcc3d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>