Minor fixes for autofill-credman integration

Test: Built locally & deployed on device

Change-Id: I9f098206a0e7ddba7f803d8c85d79b70e5d27d30
diff --git a/core/java/android/credentials/CredentialManager.java b/core/java/android/credentials/CredentialManager.java
index 20771af..524afe9 100644
--- a/core/java/android/credentials/CredentialManager.java
+++ b/core/java/android/credentials/CredentialManager.java
@@ -153,7 +153,7 @@
                     mService.getCandidateCredentials(
                             request,
                             new GetCandidateCredentialsTransport(executor, callback),
-                            mContext.getOpPackageName());
+                            callingPackage);
         } catch (RemoteException e) {
             e.rethrowFromSystemServer();
         }
diff --git a/core/java/android/service/autofill/Dataset.java b/core/java/android/service/autofill/Dataset.java
index a29bf7a..1afe8d9 100644
--- a/core/java/android/service/autofill/Dataset.java
+++ b/core/java/android/service/autofill/Dataset.java
@@ -1401,6 +1401,7 @@
         parcel.writeParcelable(mAuthentication, flags);
         parcel.writeString(mId);
         parcel.writeInt(mEligibleReason);
+        parcel.writeTypedObject(mAuthenticationExtras, flags);
     }
 
     public static final @NonNull Creator<Dataset> CREATOR = new Creator<Dataset>() {
@@ -1436,6 +1437,7 @@
                     android.content.IntentSender.class);
             final String datasetId = parcel.readString();
             final int eligibleReason = parcel.readInt();
+            final Bundle authenticationExtras = parcel.readTypedObject(Bundle.CREATOR);
 
             // Always go through the builder to ensure the data ingested by
             // the system obeys the contract of the builder to avoid attacks
@@ -1480,6 +1482,7 @@
                         fieldDialogPresentation);
             }
             builder.setAuthentication(authentication);
+            builder.setAuthenticationExtras(authenticationExtras);
             builder.setId(datasetId);
             Dataset dataset = builder.build();
             dataset.mEligibleReason = eligibleReason;
diff --git a/core/java/android/view/autofill/AutofillManager.java b/core/java/android/view/autofill/AutofillManager.java
index 34e4c37..4bc7f28 100644
--- a/core/java/android/view/autofill/AutofillManager.java
+++ b/core/java/android/view/autofill/AutofillManager.java
@@ -3474,7 +3474,7 @@
             return false;
         }
         for (String hint : hints) {
-            if (Objects.equals(hint, View.AUTOFILL_HINT_CREDENTIAL_MANAGER)) {
+            if (hint != null && hint.startsWith(View.AUTOFILL_HINT_CREDENTIAL_MANAGER)) {
                 return true;
             }
         }