CDD: Add requirements for the new HiFi sensor feature

Android device implementation equipped with a more performant
and rich suite of sensors can declare the feature flag
android.hardware.sensors.hifi_sensors to provide apps the
opportunity to make full use of the sensors.

Bug: 22486842

NO_SQ: a document change

Change-Id: Ibb10a63cc38a87e474a7700be062c9c248e894c2
1 file changed