Merge "Add missing stack dependencies and fix test linker"

system/btif/Android.bp

system/main/Android.bp

system/stack/Android.bp

system/test/mock/mock_stack_btm_hfp_msbc_decoder.cc

system/test/mock/mock_stack_btm_hfp_msbc_decoder.h

system/test/mock/mock_stack_btm_hfp_msbc_encoder.cc

system/test/mock/mock_stack_btm_hfp_msbc_encoder.h

system/test/mock/mock_stack_btm_sco_hfp_hal.cc

system/test/mock/mock_stack_btm_sco_hfp_hal.h

system/test/mock/mock_stack_l2cap_ble.cc

system/test/mock/mock_stack_l2cap_ble.h