Merge "GestureNav: Limit exclusion rects" into qt-dev

am: ea3216d462

Change-Id: Id52bcbd80028ce0030b7f8b38058e7a786744497

core/java/android/provider/DeviceConfig.java

@@ -284,6 +284,15 @@ public final class DeviceConfig {
      */
     public static final String NAMESPACE_SETTINGS_UI = "settings_ui";
 
+    /**
+     * Namespace for window manager related features. The names to access the properties in this
+     * namespace should be defined in {@link WindowManager}.
+     *
+     * @hide
+     */
+    @TestApi
+    public static final String NAMESPACE_WINDOW_MANAGER = "android:window_manager";
+
     /**
      * List of namespaces which can be read without READ_DEVICE_CONFIG permission
      *
@@ -301,6 +310,23 @@ public final class DeviceConfig {
     @TestApi
     public static final String NAMESPACE_PRIVACY = "privacy";
 
+    /**
+     * Interface for accessing keys belonging to {@link #NAMESPACE_WINDOW_MANAGER}.
+     * @hide
+     */
+    @TestApi
+    public interface WindowManager {
+
+        /**
+         * Key for accessing the system gesture exclusion limit (an integer in dp).
+         *
+         * @see android.provider.DeviceConfig#NAMESPACE_WINDOW_MANAGER
+         * @hide
+         */
+        @TestApi
+        String KEY_SYSTEM_GESTURE_EXCLUSION_LIMIT_DP = "system_gesture_exclusion_limit_dp";
+    }
+
     private static final Object sLock = new Object();
     @GuardedBy("sLock")
     private static ArrayMap<OnPropertyChangedListener, Pair<String, Executor>> sSingleListeners =