Allow activities to enter PiP when forceResizeableActivities is true.

Bug: 26187878
Change-Id: I074fd39748d53bb0bdf1769468b2c3a4092aa506
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 9fff0c8..fca9bfa 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -3462,7 +3462,7 @@
             return false;
         }
 
-        if (!r.info.supportsPip) {
+        if (!mService.mForceResizableActivities && !r.info.supportsPip) {
             Slog.w(TAG,
                     "moveTopStackActivityToPinnedStackLocked: Picture-In-Picture not supported for "
                     + " r=" + r);