Add logging for adding pending icons to the workspace.

Added logging to help track down b/168788486

Bug: 168788486

Test: manual
Change-Id: I96b38be7c02793f1b6649e6c0de5cdf47dca6edb

src/com/android/launcher3/pm/InstallSessionHelper.java

@@ -29,6 +29,7 @@ import android.os.Build;
 import android.os.Process;
 import android.os.UserHandle;
 import android.text.TextUtils;
+import android.util.Log;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.RequiresApi;
@@ -56,6 +57,8 @@ import java.util.List;
  */
 public class InstallSessionHelper {
 
+    private static final String LOG = "InstallSessionHelper";
+
     // Set<String> of session ids of promise icons that have been added to the home screen
     // as FLAG_PROMISE_NEW_INSTALLS.
     protected static final String PROMISE_ICON_IDS = "promise_icon_ids";
@@ -219,6 +222,9 @@ public class InstallSessionHelper {
                 && !promiseIconAddedForId(sessionInfo.getSessionId())
                 && !new PackageManagerHelper(mAppContext).isAppInstalled(
                         sessionInfo.getAppPackageName(), getUserHandle(sessionInfo))) {
+            Log.i(LOG, "Adding package name to install queue: "
+                    + sessionInfo.getAppPackageName());
+
             ItemInstallQueue.INSTANCE.get(mAppContext)
                     .queueItem(sessionInfo.getAppPackageName(), getUserHandle(sessionInfo));