Merge changes from topic "is_credential_request" into main

* changes:
  impl of is_credential_request
  is_credential_request field for presentation metric
diff --git a/services/autofill/java/com/android/server/autofill/PresentationStatsEventLogger.java b/services/autofill/java/com/android/server/autofill/PresentationStatsEventLogger.java
index 6b0fdb5..cf414d1 100644
--- a/services/autofill/java/com/android/server/autofill/PresentationStatsEventLogger.java
+++ b/services/autofill/java/com/android/server/autofill/PresentationStatsEventLogger.java
@@ -240,10 +240,20 @@
         mEventInternal = Optional.of(new PresentationStatsEventInternal());
     }
 
+    /**
+     * Set request_id
+     */
     public void maybeSetRequestId(int requestId) {
         mEventInternal.ifPresent(event -> event.mRequestId = requestId);
     }
 
+    /**
+     * Set is_credential_request
+     */
+    public void maybeSetIsCredentialRequest(boolean isCredentialRequest) {
+        mEventInternal.ifPresent(event -> event.mIsCredentialRequest = isCredentialRequest);
+    }
+
     public void maybeSetNoPresentationEventReason(@NotShownReason int reason) {
         mEventInternal.ifPresent(event -> {
             if (event.mCountShown == 0) {
@@ -567,7 +577,8 @@
                     + " mSelectedDatasetPickedReason=" + event.mSelectedDatasetPickedReason
                     + " mDetectionPreference=" + event.mDetectionPreference
                     + " mFieldClassificationRequestId=" + event.mFieldClassificationRequestId
-                    + " mAppPackageUid=" + mCallingAppUid);
+                    + " mAppPackageUid=" + mCallingAppUid
+                    + " mIsCredentialRequest=" + event.mIsCredentialRequest);
         }
 
         // TODO(b/234185326): Distinguish empty responses from other no presentation reasons.
@@ -606,7 +617,8 @@
                 event.mSelectedDatasetPickedReason,
                 event.mDetectionPreference,
                 event.mFieldClassificationRequestId,
-                mCallingAppUid);
+                mCallingAppUid,
+                event.mIsCredentialRequest);
         mEventInternal = Optional.empty();
     }
 
@@ -640,6 +652,7 @@
         @DatasetPickedReason int mSelectedDatasetPickedReason = PICK_REASON_UNKNOWN;
         @DetectionPreference int mDetectionPreference = DETECTION_PREFER_UNKNOWN;
         int mFieldClassificationRequestId = -1;
+        boolean mIsCredentialRequest = false;
 
         PresentationStatsEventInternal() {}
     }
diff --git a/services/autofill/java/com/android/server/autofill/Session.java b/services/autofill/java/com/android/server/autofill/Session.java
index a49f9db..007be05 100644
--- a/services/autofill/java/com/android/server/autofill/Session.java
+++ b/services/autofill/java/com/android/server/autofill/Session.java
@@ -1290,7 +1290,9 @@
             Slog.v(TAG, "Requesting structure for request #" + ordinal + " ,requestId=" + requestId
                     + ", flags=" + flags);
         }
+        boolean isCredmanRequested = (flags & FLAG_VIEW_REQUESTS_CREDMAN_SERVICE) != 0;
         mPresentationStatsEventLogger.maybeSetRequestId(requestId);
+        mPresentationStatsEventLogger.maybeSetIsCredentialRequest(isCredmanRequested);
         mPresentationStatsEventLogger.maybeSetFieldClassificationRequestId(
                 mFieldClassificationIdSnapshot);
         mFillRequestEventLogger.maybeSetRequestId(requestId);
@@ -4360,8 +4362,10 @@
                 }
 
                 if (viewState.getResponse() != null) {
+                    boolean isCredmanRequested = (flags & FLAG_VIEW_REQUESTS_CREDMAN_SERVICE) != 0;
                     FillResponse response = viewState.getResponse();
                     mPresentationStatsEventLogger.maybeSetRequestId(response.getRequestId());
+                    mPresentationStatsEventLogger.maybeSetIsCredentialRequest(isCredmanRequested);
                     mPresentationStatsEventLogger.maybeSetFieldClassificationRequestId(
                             mFieldClassificationIdSnapshot);
                     mPresentationStatsEventLogger.maybeSetAvailableCount(