Do not put floating windows into drag resize mode

Not really useful and creates a lot of "jank".

Bug: 27099358
Change-Id: Id1c5e09cc9731f64c5f52f9c187ccbda468ea26e

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

@@ -2165,6 +2165,11 @@ final class WindowState implements WindowManagerPolicy.WindowState {
         if (task == null) {
             return false;
         }
+        if (mAttrs.width != MATCH_PARENT || mAttrs.height != MATCH_PARENT) {
+
+            // Floating windows never enter drag resize mode.
+            return false;
+        }
         if (task.isDragResizing()) {
             return true;
         }