Set minimum delay for accelerometer events.

Set minimum delay for accelerometer events.

Specify minimum observed delay for the accelerometer event rate.
This is a hint to the service, which clamps higher values to the minimum supported delay.

Issue: AXIA-3061
Change-Id: I74a91f6f8eb93121407e1a452ac4690bec474cda
Signed-off-by: Adriana Reus <adriana.reus@intel.com>
Reviewed-on: https://otc-android.intel.com/gerrit/20206
Tested-by: jenkins autobuilder
Reviewed-by: Alexandru Timohi <alexandru.timohi@intel.com>
Reviewed-by: Mihai Serban <mihai.serban@intel.com>
Reviewed-by: Daniel Leung <daniel.leung@intel.com>
Reviewed-by: Constantin Musca <constantin.musca@intel.com>
Reviewed-by: Robert Chiras <robert.chiras@intel.com>
Tested-by: Robert Chiras <robert.chiras@intel.com>