legacy: Combine decl/def stack/acl/btm_pm::btm_pm_proc_mode_change am:...

legacy: Combine decl/def stack/acl/btm_pm::btm_pm_proc_mode_change am: 66bb2df6 am: 3075c7ed am: 58e852fc am: c8ac4cc3

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/1998354

Change-Id: I979671786dec800b3bf8698087bc0890929e0fd2