Revert "Don't send button pressed bits to MANUAL_CONTROL"
Revert "Don't send button pressed bits to MANUAL_CONTROL"

This reverts commit c01ceaddd1b2931a20afee30929c36b0d4f47429.

Hunter522/qgroundcontrol,Hunter522/qgroundcontrol,Hunter522/qgroundcontrol,Hunter522/qgroundcontrol,Hunter522/qgroundcontrol,Hunter522/qgroundcontrol