iUpdate the sensor group description

bug:21784262

Change-Id: I417e2170b8a977b274ca0f6b2364c670bbb5264a
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 246e43a33..5c974bd 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -586,7 +586,7 @@
     <!-- Title of a category of application permissions, listed so the user can choose whether they want to allow the application to do this. -->
     <string name="permgrouplab_sensors">Sensors</string>
     <!-- Description of a category of application permissions, listed so the user can choose whether they want to allow the application to do this. -->
-    <string name="permgroupdesc_sensors">access information about your vital signs and physical activity</string>
+    <string name="permgroupdesc_sensors">access sensor data about your vital signs</string>
 
     <!-- Title for the capability of an accessibility service to retrieve window content. -->
     <string name="capability_title_canRetrieveWindowContent">Retrieve window content</string>