Fix bug: All Apps progress bar wasn't centered

Change-Id: I28647e9c77364e1761e6be19f4940dc5bc836423
diff --git a/res/layout/apps_customize_progressbar.xml b/res/layout/apps_customize_progressbar.xml
index d790f21..6a8010f 100644
--- a/res/layout/apps_customize_progressbar.xml
+++ b/res/layout/apps_customize_progressbar.xml
@@ -20,5 +20,4 @@
    android:id="@+id/apps_customize_progress_bar"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
-   android:layout_gravity="center"
-   android:layout_marginRight="5dp" />
+   android:layout_gravity="center" />