Add minWidth, minHeight and minTaskSize to TaskInfo

Allows OEMs access to this info in order to send resize
requests that comply with the minimal size policies
without having to query state via WMS.

Bug: 176970585
Test: builds
Change-Id: I540e17312b02afd7c4092f32bdf671f473c736cd

core/java/android/app/TaskInfo.java

@@ -218,6 +218,24 @@ public class TaskInfo {
      */
     public boolean isResizeable;
 
+    /**
+     * Minimal width of the task when it's resizeable.
+     * @hide
+     */
+    public int minWidth;
+
+    /**
+     * Minimal height of the task when it's resizeable.
+     * @hide
+     */
+    public int minHeight;
+
+    /**
+     * The default minimal size of the task used when a minWidth or minHeight is not specified.
+     * @hide
+     */
+    public int defaultMinSize;
+
     /**
      * Relative position of the task's top left corner in the parent container.
      * @hide
@@ -418,6 +436,9 @@ public class TaskInfo {
         displayCutoutInsets = source.readTypedObject(Rect.CREATOR);
         topActivityInfo = source.readTypedObject(ActivityInfo.CREATOR);
         isResizeable = source.readBoolean();
+        minWidth = source.readInt();
+        minHeight = source.readInt();
+        defaultMinSize = source.readInt();
         source.readBinderList(launchCookies);
         positionInParent = source.readTypedObject(Point.CREATOR);
         parentTaskId = source.readInt();
@@ -458,6 +479,9 @@ public class TaskInfo {
         dest.writeTypedObject(displayCutoutInsets, flags);
         dest.writeTypedObject(topActivityInfo, flags);
         dest.writeBoolean(isResizeable);
+        dest.writeInt(minWidth);
+        dest.writeInt(minHeight);
+        dest.writeInt(defaultMinSize);
         dest.writeBinderList(launchCookies);
         dest.writeTypedObject(positionInParent, flags);
         dest.writeInt(parentTaskId);
@@ -483,6 +507,9 @@ public class TaskInfo {
                 + " supportsMultiWindow=" + supportsMultiWindow
                 + " resizeMode=" + resizeMode
                 + " isResizeable=" + isResizeable
+                + " minWidth=" + minWidth
+                + " minHeight=" + minHeight
+                + " defaultMinSize=" + defaultMinSize
                 + " token=" + token
                 + " topActivityType=" + topActivityType
                 + " pictureInPictureParams=" + pictureInPictureParams

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

@@ -3361,6 +3361,9 @@ class Task extends TaskFragment {
         info.resizeMode = top != null ? top.mResizeMode : mResizeMode;
         info.topActivityType = top.getActivityType();
         info.isResizeable = isResizeable();
+        info.minWidth = mMinWidth;
+        info.minHeight = mMinHeight;
+        info.defaultMinSize = mRootWindowContainer.mDefaultMinSizeOfResizeableTaskDp;
 
         info.positionInParent = getRelativePosition();