Revert "otablock: Disable only the actual activity, leave the service on"

This reverts commit 583a6429e6894a5e6dc0a73c48d4513322fe49a4, pawit
got a better fix

Conflicts:
	prebuilt/common/bin/otablock

Change-Id: Ia4ae1dc8b93224fbcc351634f44f7194776c10f6