Canonicalize inclusion path internal_include/bte_appl.h am: 854656cb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2860518



Change-Id: Icaaa36b94521ab97a4cfee0e82f3617f72b93453
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>