Add a new rappor metric to record all package names excluding GSA

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
index 058dbeebae7cd0516fe1c379a3d6b5b6c8972199..28d7b666474e3ad56eb666a44588d3190692de5b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
@@ -54,6 +54,7 @@ import org.chromium.chrome.browser.document.ChromeLauncherActivity;
 import org.chromium.chrome.browser.externalnav.ExternalNavigationDelegateImpl;
 import org.chromium.chrome.browser.firstrun.FirstRunSignInProcessor;
 import org.chromium.chrome.browser.fullscreen.BrowserStateBrowserControlsVisibilityDelegate;
+import org.chromium.chrome.browser.gsa.GSAState;
 import org.chromium.chrome.browser.metrics.PageLoadMetrics;
 import org.chromium.chrome.browser.net.spdyproxy.DataReductionProxySettings;
 import org.chromium.chrome.browser.pageinfo.WebsiteSettingsPopup;
@@ -565,6 +566,9 @@ public class CustomTabActivity extends ChromeActivity {
             public void run() {
                 RapporServiceBridge.sampleString(
                         "CustomTabs.ServiceClient.PackageName", packageName);
+                if (GSAState.isGsaPackageName(packageName)) return;
+                RapporServiceBridge.sampleString(
+                        "CustomTabs.ServiceClient.PackageNameThirdParty", packageName);
             }
         });
     }