Fix inset hinting when adding window

Windows with FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS were
getting an incorrect content inset hint, because the
hinting didn't see the adjusted systemUiVisibility.

Also adds hinting for the stable insets.

Bug: 17508238
Change-Id: If9647277feb6811b15665b801accd896c51dbd12
diff --git a/services/core/java/com/android/server/wm/Session.java b/services/core/java/com/android/server/wm/Session.java
index d737e7f..a4dfd8a4 100644
--- a/services/core/java/com/android/server/wm/Session.java
+++ b/services/core/java/com/android/server/wm/Session.java
@@ -155,31 +155,32 @@
 
     @Override
     public int add(IWindow window, int seq, WindowManager.LayoutParams attrs,
-            int viewVisibility, Rect outContentInsets, InputChannel outInputChannel) {
+            int viewVisibility, Rect outContentInsets, Rect outStableInsets,
+            InputChannel outInputChannel) {
         return addToDisplay(window, seq, attrs, viewVisibility, Display.DEFAULT_DISPLAY,
-                outContentInsets, outInputChannel);
+                outContentInsets, outStableInsets, outInputChannel);
     }
 
     @Override
     public int addToDisplay(IWindow window, int seq, WindowManager.LayoutParams attrs,
-            int viewVisibility, int displayId, Rect outContentInsets,
+            int viewVisibility, int displayId, Rect outContentInsets, Rect outStableInsets,
             InputChannel outInputChannel) {
         return mService.addWindow(this, window, seq, attrs, viewVisibility, displayId,
-                outContentInsets, outInputChannel);
+                outContentInsets, outStableInsets, outInputChannel);
     }
 
     @Override
     public int addWithoutInputChannel(IWindow window, int seq, WindowManager.LayoutParams attrs,
-            int viewVisibility, Rect outContentInsets) {
+            int viewVisibility, Rect outContentInsets, Rect outStableInsets) {
         return addToDisplayWithoutInputChannel(window, seq, attrs, viewVisibility,
-                Display.DEFAULT_DISPLAY, outContentInsets);
+                Display.DEFAULT_DISPLAY, outContentInsets, outStableInsets);
     }
 
     @Override
     public int addToDisplayWithoutInputChannel(IWindow window, int seq, WindowManager.LayoutParams attrs,
-            int viewVisibility, int displayId, Rect outContentInsets) {
+            int viewVisibility, int displayId, Rect outContentInsets, Rect outStableInsets) {
         return mService.addWindow(this, window, seq, attrs, viewVisibility, displayId,
-            outContentInsets, null);
+            outContentInsets, outStableInsets, null);
     }
 
     public void remove(IWindow window) {
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 6ee4537..318ff0e 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2266,7 +2266,7 @@
 
     public int addWindow(Session session, IWindow client, int seq,
             WindowManager.LayoutParams attrs, int viewVisibility, int displayId,
-            Rect outContentInsets, InputChannel outInputChannel) {
+            Rect outContentInsets, Rect outStableInsets, InputChannel outInputChannel) {
         int[] appOp = new int[1];
         int res = mPolicy.checkAddPermission(attrs, appOp);
         if (res != WindowManagerGlobal.ADD_OKAY) {
@@ -2504,9 +2504,10 @@
             winAnimator.mEnteringAnimation = true;
 
             if (displayContent.isDefaultDisplay) {
-                mPolicy.getContentInsetHintLw(attrs, outContentInsets);
+                mPolicy.getInsetHintLw(win.mAttrs, outContentInsets, outStableInsets);
             } else {
                 outContentInsets.setEmpty();
+                outStableInsets.setEmpty();
             }
 
             if (mInTouchMode) {