Add feature XML for head tracker sensor

Bug: 217256837
Test: compile
Change-Id: Idb75c405adfe927527c8cc564d4d167e520cb218
diff --git a/data/etc/Android.bp b/data/etc/Android.bp
index 31dee23..5003151 100644
--- a/data/etc/Android.bp
+++ b/data/etc/Android.bp
@@ -119,6 +119,12 @@
 }
 
 prebuilt_etc {
+    name: "android.hardware.sensor.dynamic.head_tracker.prebuilt.xml",
+    src: "android.hardware.sensor.dynamic.head_tracker.xml",
+    defaults: ["frameworks_native_data_etc_defaults"],
+}
+
+prebuilt_etc {
     name: "android.hardware.sensor.gyroscope.prebuilt.xml",
     src: "android.hardware.sensor.gyroscope.xml",
     defaults: ["frameworks_native_data_etc_defaults"],