init.spade.rc: restart adb on adb root

Based on:
https://github.com/CyanogenMod/android_device_htc_m7-common/commit/e0713c4bd1d3364826052e41a19abdff39041889

Change-Id: I9251905f8bd54ec38aa6d91d3992b34e608843a8
Merge branch 'jb-mv' of git://github.com/Mustaavalkosta/android_device_htc_ace into cm-10.1