Check app targetSdkVersion when check minWidth/Height for multi window

Bug: 197654537
Test: manually with app target S- with large min width/height
Change-Id: I2dd0902cb255cbe111ebab86dbf59be1a32e0cfc

core/java/android/content/pm/ActivityInfo.java

@@ -22,6 +22,7 @@ import android.app.Activity;
 import android.app.compat.CompatChanges;
 import android.compat.annotation.ChangeId;
 import android.compat.annotation.Disabled;
+import android.compat.annotation.EnabledSince;
 import android.compat.annotation.Overridable;
 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
@@ -1040,6 +1041,14 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
     @TestApi
     public static final float OVERRIDE_MIN_ASPECT_RATIO_LARGE_VALUE = 16 / 9f;
 
+    /**
+     * Compares activity window layout min width/height with require space for multi window to
+     * determine if it can be put into multi window mode.
+     */
+    @ChangeId
+    @EnabledSince(targetSdkVersion = Build.VERSION_CODES.S)
+    private static final long CHECK_MIN_WIDTH_HEIGHT_FOR_MULTI_WINDOW = 197654537L;
+
     /**
      * Convert Java change bits to native.
      *
@@ -1480,6 +1489,17 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
         }
     }
 
+    /**
+     * Whether we should compare activity window layout min width/height with require space for
+     * multi window to determine if it can be put into multi window mode.
+     * @hide
+     */
+    public boolean shouldCheckMinWidthHeightForMultiWindow() {
+        return CompatChanges.isChangeEnabled(CHECK_MIN_WIDTH_HEIGHT_FOR_MULTI_WINDOW,
+                applicationInfo.packageName,
+                UserHandle.getUserHandleForUid(applicationInfo.uid));
+    }
+
     public void dump(Printer pw, String prefix) {
         dump(pw, prefix, DUMP_FLAG_ALL);
     }

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

@@ -2801,7 +2801,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
         final ActivityInfo.WindowLayout windowLayout = info.windowLayout;
         return windowLayout == null
                 || tda.supportsActivityMinWidthHeightMultiWindow(windowLayout.minWidth,
-                windowLayout.minHeight);
+                windowLayout.minHeight, info);
     }
 
     /**

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

@@ -48,6 +48,7 @@ import android.annotation.ColorInt;
 import android.annotation.Nullable;
 import android.app.ActivityOptions;
 import android.app.WindowConfiguration;
+import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
 import android.os.UserHandle;
 import android.util.IntArray;
@@ -1704,13 +1705,17 @@ final class TaskDisplayArea extends DisplayArea<WindowContainer> {
      * Whether we can show activity requesting the given min width/height in multi window below
      * this {@link TaskDisplayArea}.
      */
-    boolean supportsActivityMinWidthHeightMultiWindow(int minWidth, int minHeight) {
-        final int configRespectsActivityMinWidthHeightMultiWindow =
-                mAtmService.mRespectsActivityMinWidthHeightMultiWindow;
+    boolean supportsActivityMinWidthHeightMultiWindow(int minWidth, int minHeight,
+            @Nullable ActivityInfo activityInfo) {
+        if (activityInfo != null && !activityInfo.shouldCheckMinWidthHeightForMultiWindow()) {
+            return true;
+        }
         if (minWidth <= 0 && minHeight <= 0) {
             // No request min width/height.
             return true;
         }
+        final int configRespectsActivityMinWidthHeightMultiWindow =
+                mAtmService.mRespectsActivityMinWidthHeightMultiWindow;
         if (configRespectsActivityMinWidthHeightMultiWindow == -1) {
             // Device override to ignore min width/height.
             return true;

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

@@ -1758,7 +1758,9 @@ class TaskFragment extends WindowContainer<WindowContainer> {
             return false;
         }
 
-        return tda.supportsActivityMinWidthHeightMultiWindow(mMinWidth, mMinHeight);
+        final ActivityRecord rootActivity = getTask().getRootActivity();
+        return tda.supportsActivityMinWidthHeightMultiWindow(mMinWidth, mMinHeight,
+                rootActivity != null ? rootActivity.info : null);
     }
 
     private int getTaskId() {