pdl: Add support for scalar and enum arrays am: a4a73d75

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2344844



Change-Id: I9896b3b91d8dc2d5b52607e0990ea97a60d26867
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>