Add gyroscope support to wearable core hw support

Add gyroscope to list of wearable's core hardware features since
a gyroscope is a required sensor for Android Wear devices.

Bug: 30151201
Change-Id: Id4db158344b6d1188c71cc5bf787e8bb8cbeca2e
diff --git a/data/etc/wearable_core_hardware.xml b/data/etc/wearable_core_hardware.xml
index 4ff00b5..84230da 100644
--- a/data/etc/wearable_core_hardware.xml
+++ b/data/etc/wearable_core_hardware.xml
@@ -24,6 +24,7 @@
     <feature name="android.hardware.location" />
     <!-- devices supporting compass/magnitometer sensor must include
 	 android.hardware.sensor.compass.xml -->
+    <feature name="android.hardware.sensor.gyroscope" />
     <feature name="android.hardware.sensor.accelerometer" />
     <feature name="android.hardware.bluetooth" />
     <feature name="android.hardware.touchscreen" />