Merge "legacy: Remove unused fields bta/dm/bta_dm_int::tBTA_DM_CB" am:...

Merge "legacy: Remove unused fields bta/dm/bta_dm_int::tBTA_DM_CB" am: 453aa7ab am: 887948e4 am: 8d4f3ee9 am: e5ade7f6

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/1990026

Change-Id: I12166cbd7bfcd31712a35706dd0e13878e471427