Rename the user-to-execute-as to "targetUser".

Aligns it with more common conventions of "target" meaning the
potentially different user we'll be executing as. And keeping "calling"
to refer to the original user who made the request.

Bug: 194413082
Test: presubmit
Change-Id: Id762ed7be8da783f7372841b68e22f088a889b97
diff --git a/service/java/com/android/server/appsearch/AppSearchManagerService.java b/service/java/com/android/server/appsearch/AppSearchManagerService.java
index db23a6d..6a4f4db 100644
--- a/service/java/com/android/server/appsearch/AppSearchManagerService.java
+++ b/service/java/com/android/server/appsearch/AppSearchManagerService.java
@@ -332,17 +332,20 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     List<AppSearchSchema> schemas = new ArrayList<>(schemaBundles.size());
                     for (int i = 0; i < schemaBundles.size(); i++) {
                         schemas.add(new AppSearchSchema(schemaBundles.get(i)));
@@ -359,7 +362,7 @@
                         }
                         schemasVisibleToPackages.put(entry.getKey(), packageIdentifiers);
                     }
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     SetSchemaResponse setSchemaResponse = instance.getAppSearchImpl().setSchema(
                             packageName,
                             databaseName,
@@ -418,15 +421,18 @@
             Objects.requireNonNull(callback);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     GetSchemaResponse response =
                             instance.getAppSearchImpl().getSchema(packageName, databaseName);
                     invokeCallbackOnResult(
@@ -450,15 +456,18 @@
             Objects.requireNonNull(callback);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     List<String> namespaces =
                             instance.getAppSearchImpl().getNamespaces(packageName, databaseName);
                     invokeCallbackOnResult(
@@ -485,20 +494,23 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchBatchResult.Builder<String, Void> resultBuilder =
                             new AppSearchBatchResult.Builder<>();
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     for (int i = 0; i < documentBundles.size(); i++) {
                         GenericDocument document = new GenericDocument(documentBundles.get(i));
                         try {
@@ -571,20 +583,23 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchBatchResult.Builder<String, Bundle> resultBuilder =
                             new AppSearchBatchResult.Builder<>();
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     for (int i = 0; i < ids.size(); i++) {
                         String id = ids.get(i);
                         try {
@@ -652,18 +667,21 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     SearchResultPage searchResultPage = instance.getAppSearchImpl().query(
                             packageName,
                             databaseName,
@@ -718,18 +736,21 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
 
                     boolean callerHasSystemAccess =
                             instance.getVisibilityStore().doesCallerHaveSystemAccess(packageName);
@@ -783,17 +804,20 @@
             Objects.requireNonNull(callback);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             // TODO(b/162450968) check nextPageToken is being advanced by the same uid as originally
             // opened it
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     SearchResultPage searchResultPage =
                             instance.getAppSearchImpl().getNextPage(packageName, nextPageToken);
                     invokeCallbackOnResult(
@@ -812,15 +836,18 @@
             Objects.requireNonNull(userHandle);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     instance.getAppSearchImpl().invalidateNextPageToken(packageName, nextPageToken);
                 } catch (Throwable t) {
                     Log.e(TAG, "Unable to invalidate the query page token", t);
@@ -846,15 +873,18 @@
             Objects.requireNonNull(callback);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     // we don't need to append the file. The file is always brand new.
                     try (DataOutputStream outputStream = new DataOutputStream(
                             new FileOutputStream(fileDescriptor.getFileDescriptor()))) {
@@ -895,15 +925,18 @@
             Objects.requireNonNull(callback);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
 
                     GenericDocument document;
                     ArrayList<Bundle> migrationFailureBundles = new ArrayList<>();
@@ -957,15 +990,18 @@
             Objects.requireNonNull(callback);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
 
                     if (systemUsage
                             && !instance.getVisibilityStore()
@@ -1004,20 +1040,23 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchBatchResult.Builder<String, Void> resultBuilder =
                             new AppSearchBatchResult.Builder<>();
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     for (int i = 0; i < ids.size(); i++) {
                         String id = ids.get(i);
                         try {
@@ -1090,18 +1129,21 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     instance.getAppSearchImpl().removeByQuery(
                             packageName,
                             databaseName,
@@ -1154,15 +1196,18 @@
             Objects.requireNonNull(callback);
 
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     AppSearchUserInstance instance =
-                            mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                            mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     StorageInfo storageInfo = instance.getAppSearchImpl()
                             .getStorageInfoForDatabase(packageName, databaseName);
                     Bundle storageInfoBundle = storageInfo.getBundle();
@@ -1184,18 +1229,21 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
                 AppSearchUserInstance instance = null;
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
-                    instance = mAppSearchUserInstanceManager.getUserInstance(callingUser);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
+                    instance = mAppSearchUserInstanceManager.getUserInstance(targetUser);
                     instance.getAppSearchImpl().persistToDisk(PersistType.Code.FULL);
                     ++operationSuccessCount;
                 } catch (Throwable t) {
@@ -1236,7 +1284,7 @@
 
             long totalLatencyStartTimeMillis = SystemClock.elapsedRealtime();
             int callingUid = Binder.getCallingUid();
-            UserHandle callingUser = handleIncomingUser(userHandle, callingUid);
+            UserHandle targetUser = handleIncomingUser(userHandle, callingUid);
 
             EXECUTOR.execute(() -> {
                 @AppSearchResult.ResultCode int statusCode = AppSearchResult.RESULT_OK;
@@ -1244,12 +1292,15 @@
                 int operationSuccessCount = 0;
                 int operationFailureCount = 0;
                 try {
-                    Context userContext = mContext.createContextAsUser(callingUser, /*flags=*/ 0);
-                    verifyUserUnlocked(callingUser);
-                    verifyCallingPackage(userContext, callingUser, callingUid, packageName);
-                    verifyNotInstantApp(userContext, packageName);
+                    Context targetUserContext = mContext.createContextAsUser(targetUser,
+                            /*flags=*/ 0);
+                    verifyUserUnlocked(targetUser);
+                    // TODO(b/193902620): Pass in the callingUser and not the targetUser.
+                    verifyCallingPackage(targetUserContext, targetUser, callingUid, packageName);
+                    // TODO(b/194939218): Pass in the callingUser and not the targetUser.
+                    verifyNotInstantApp(targetUserContext, packageName);
                     instance = mAppSearchUserInstanceManager.getOrCreateUserInstance(
-                            userContext, callingUser, AppSearchConfig.getInstance(EXECUTOR));
+                            targetUserContext, targetUser, AppSearchConfig.getInstance(EXECUTOR));
                     ++operationSuccessCount;
                     invokeCallbackOnResult(callback, AppSearchResult.newSuccessfulResult(null));
                 } catch (Throwable t) {
@@ -1354,26 +1405,26 @@
     /**
      * Helper for dealing with incoming user arguments to system service calls.
      *
-     * @param requestedUser The user which the caller is requesting to execute as.
+     * @param targetUserHandle The user which the caller is requesting to execute as.
      * @param callingUid The actual uid of the caller as determined by Binder.
      * @return the user handle that the call should run as. Will always be a concrete user.
      */
     @NonNull
-    private UserHandle handleIncomingUser(@NonNull UserHandle requestedUser, int callingUid) {
-        UserHandle callingUser = UserHandle.getUserHandleForUid(callingUid);
-        if (callingUser.equals(requestedUser)) {
-            return requestedUser;
+    private UserHandle handleIncomingUser(@NonNull UserHandle targetUserHandle, int callingUid) {
+        UserHandle callingUserHandle = UserHandle.getUserHandleForUid(callingUid);
+        if (callingUserHandle.equals(targetUserHandle)) {
+            return targetUserHandle;
         }
 
         // Duplicates UserController#ensureNotSpecialUser
-        if (requestedUser.getIdentifier() < 0) {
+        if (targetUserHandle.getIdentifier() < 0) {
             throw new IllegalArgumentException(
-                    "Call does not support special user " + requestedUser);
+                    "Call does not support special user " + targetUserHandle);
         }
 
         throw new SecurityException(
-                "Requested user, " + requestedUser + ", is not the same as the calling user, "
-                        + callingUser + ".");
+                "Requested user, " + targetUserHandle + ", is not the same as the calling user, "
+                        + callingUserHandle + ".");
     }
 
     /**