Add Activity recognition permission (#2645)

Author: ale5000-git

play-services-core/src/main/AndroidManifest.xml

@@ -61,6 +61,12 @@
         android:label="@string/permission_service_writely_label"
         android:protectionLevel="dangerous" />
 
+    <permission
+        android:name="com.google.android.gms.permission.ACTIVITY_RECOGNITION"
+        android:label="@string/perm_activity_recognition_label"
+        android:description="@string/perm_activity_recognition_description"
+        android:protectionLevel="normal" />
+
     <permission
         android:name="com.google.android.gms.permission.AD_ID"
         android:label="@string/perm_ad_id_label"

play-services-core/src/main/res/values/permissions.xml

@@ -90,6 +90,9 @@
     <string name="permission_service_YouTubeUser_label">YouTube usernames</string>
     <string name="permission_service_YouTubeUser_description">Allows app to access YouTube username(s) used with any associated Google account.</string>
 
+    <string name="perm_activity_recognition_label">Activity recognition</string>
+    <string name="perm_activity_recognition_description">Allows an app to receive periodic updates of your activity level from Google, for example, if you are walking, driving, cycling, or stationary.</string>
+
     <string name="permission_scope_www.googleapis.com_auth_activity">View the activity history of your Google Apps</string>
     <string name="permission_scope_www.googleapis.com_auth_adexchange.buyer">Manage your Ad Exchange buyer account configuration</string>
     <string name="permission_scope_www.googleapis.com_auth_adexchange.seller.readonly">View your Ad Exchange data</string>