sensors: Force a minimum interval between gyro state changes

The gyroscope will mess up the entire sensor pile if it gets deactivated
less than around 150 msec after it's enabled, which does happen
with some overly aggressive apps. Prevent this simply by delaying all
gyro disablements by 200 msec.

Change-Id: I8212a8aa4beb22a241ed63cc8d1471b4fea3d0b6
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_i9100 into cm-11.0-ads