Merge changes from topic "dm-profile-validation" into main am: 7e72104d am:...

Merge changes from topic "dm-profile-validation" into main am: 7e72104d am: f0643a6b am: b16d9905

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2786343



Change-Id: I338fc316172c608954f0b9aa58967ef11b766460
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

services/core/java/com/android/server/pm/PackageInstallerSession.java

@@ -2739,15 +2739,40 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
      * @return a future that will be completed when the whole process is completed.
      */
     private CompletableFuture<Void> install() {
+        // `futures` either contains only one session (`this`) or contains one parent session
+        // (`this`) and n-1 child sessions.
         List<CompletableFuture<InstallResult>> futures = installNonStaged();
         CompletableFuture<InstallResult>[] arr = new CompletableFuture[futures.size()];
         return CompletableFuture.allOf(futures.toArray(arr)).whenComplete((r, t) -> {
             if (t == null) {
                 setSessionApplied();
+                var multiPackageWarnings = new ArrayList<String>();
+                if (isMultiPackage()) {
+                    // This is a parent session. Collect warnings from children.
+                    for (CompletableFuture<InstallResult> f : futures) {
+                        InstallResult result = f.join();
+                        if (result.session != this && result.extras != null) {
+                            ArrayList<String> childWarnings = result.extras.getStringArrayList(
+                                    PackageInstaller.EXTRA_WARNINGS);
+                            if (!ArrayUtils.isEmpty(childWarnings)) {
+                                multiPackageWarnings.addAll(childWarnings);
+                            }
+                        }
+                    }
+                }
                 for (CompletableFuture<InstallResult> f : futures) {
                     InstallResult result = f.join();
+                    Bundle extras = result.extras;
+                    if (isMultiPackage() && result.session == this
+                            && !multiPackageWarnings.isEmpty()) {
+                        if (extras == null) {
+                            extras = new Bundle();
+                        }
+                        extras.putStringArrayList(
+                                PackageInstaller.EXTRA_WARNINGS, multiPackageWarnings);
+                    }
                     result.session.dispatchSessionFinished(
-                            INSTALL_SUCCEEDED, "Session installed", result.extras);
+                            INSTALL_SUCCEEDED, "Session installed", extras);
                 }
             } else {
                 PackageManagerException e = (PackageManagerException) t.getCause();