getStagedApexInfo() returns @nullable am: d9d809be02 am: c1a314a14f am: bd6e3c140b am: b8ecdd55d6

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1844834

Change-Id: I508d70c6b4b7d738ec49e77b544bc10354bda10e
diff --git a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
index d71f496..7c99f76 100644
--- a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
+++ b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
@@ -144,5 +144,5 @@
      * Get information of APEX which is staged ready for installation.
      * Returns null if no such APEX is found.
      */
-    StagedApexInfo getStagedApexInfo(in @utf8InCpp String moduleName);
+    @nullable StagedApexInfo getStagedApexInfo(in @utf8InCpp String moduleName);
 }