bta: Break out internal header bta::dm::bta_dm_disc_int.h am: febe7092 am:...

bta: Break out internal header bta::dm::bta_dm_disc_int.h am: febe7092 am: 0c9cbf53 am: e942c938

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2829013



Change-Id: I0d53aa30d08a1a80d00481db34efb58fb8ba24dd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>