Pass the right loading package when registering dex modules

We computed the right value, but did not update the registration
arguments.

Test: manual, DexManagerTests
Bug: 148774920
Change-Id: I98cef1d0a9b5431c181db3a9181a5a0958fe9b6a

services/core/java/com/android/server/pm/dex/DexManager.java

@@ -711,7 +711,7 @@ public class DexManager {
         for (String isa : getAppDexInstructionSets(info.primaryCpuAbi, info.secondaryCpuAbi)) {
             boolean newUpdate = mPackageDexUsage.record(searchResult.mOwningPackageName,
                     dexPath, userId, isa, /*primaryOrSplit*/ false,
-                    searchResult.mOwningPackageName,
+                    loadingPackage,
                     PackageDexUsage.VARIABLE_CLASS_LOADER_CONTEXT);
             update |= newUpdate;
         }