Updater: Show the correct percentage during package installation

Fixes the mismatch between the progress bar's status and the percentage
displayed next to it.

Fixes: https://gitlab.com/LineageOS/issues/android/-/issues/4830
Change-Id: I5c243acda4f06561cbd5b3a73060205b32d8d41d

src/org/lineageos/updater/UpdatesListAdapter.java

@@ -185,6 +185,9 @@ public class UpdatesListAdapter extends RecyclerView.Adapter<UpdatesListAdapter.
                     update.getFinalizing() ?
                             R.string.finalizing_package :
                             R.string.preparing_ota_first_boot);
+            String percentage = NumberFormat.getPercentInstance().format(
+                    update.getInstallProgress() / 100.f);
+            viewHolder.mPercentage.setText(percentage);
             viewHolder.mProgressBar.setIndeterminate(false);
             viewHolder.mProgressBar.setProgress(update.getInstallProgress());
         } else if (mUpdaterController.isVerifyingUpdate(downloadId)) {