Check EXTRA_INTENT as part of leaving process.

We're checking all the other Intent objects, but we forgot this one.

Test: builds, boots
Bug: 34072700
Change-Id: I4f328950f3122258e0bdea7e87f78d7d0afdedbb

core/java/android/content/Intent.java

@@ -9238,6 +9238,13 @@ public class Intent implements Parcelable, Cloneable {
             mClipData.prepareToLeaveProcess(leavingPackage, getFlags());
         }
 
+        if (mExtras != null && !mExtras.isParcelled()) {
+            final Object intent = mExtras.get(Intent.EXTRA_INTENT);
+            if (intent instanceof Intent) {
+                ((Intent) intent).prepareToLeaveProcess(leavingPackage);
+            }
+        }
+
         if (mAction != null && mData != null && StrictMode.vmFileUriExposureEnabled()
                 && leavingPackage) {
             switch (mAction) {