Merge "Only create surface when showing window if it destroys it when hiding."

services/core/java/com/android/server/input/InputWindowHandle.java

@@ -106,6 +106,7 @@ public final class InputWindowHandle {
                 .append(", frame=[").append(frameLeft).append(",").append(frameTop).append(",")
                         .append(frameRight).append(",").append(frameBottom).append("]")
                 .append(", touchableRegion=").append(touchableRegion)
+                .append(", visible=").append(visible)
                 .toString();
 
     }

services/core/java/com/android/server/wm/WindowState.java

@@ -1605,8 +1605,9 @@ final class WindowState implements WindowManagerPolicy.WindowState {
             // Already showing.
             return false;
         }
-        if (!mHasSurface) {
-            mDestroying = false;
+        if (!mHasSurface && mDestroySurfaceWhenHidden) {
+            // This is a window that doesn't retain the surface when it's hidden, so immediately
+            // when we want to show it again, we need to create the surface for it.
             mWinAnimator.createSurfaceLocked();
         }
         if (DEBUG_VISIBILITY) Slog.v(TAG, "Policy visibility true: " + this);