1.调整Home screen上Hotseat, Google folder , Play store.
在开发过程中，如果要求更改Hotseat和Google folder中的某些APP, 或者这些APP在home screen中的位置，则可以在vendor/partner_gms/apps/GmsSampleIntegration/res_dhs_full/xml/partner_default_layout.xml文件中修改.

<favorites><!-- Hotseat (We use the screen as the position of the item in the hotseat) --><!-- Dialer Messaging Calendar Contacts Camera --><favorite container="-101" screen="0" x="0" y="0" packageName="com.google.android.gm" className="com.google.android.gm.ConversationListActivityGmail"/>......<!-- <favorite container="-101" screen="4" x="4" y="0" packageName="org.codeaurora.snapcam" className="com.android.camera.CameraLauncher"/> --><!-- In Launcher3, workspaces extend infinitely to the right, incrementing from zero --><!-- Google folder --><!-- Google, Chrome, Gmail, Maps, YouTube, (Drive), (Music), (Movies), Duo, Photos --><folder title="@string/google_folder_title" screen="0" x="0" y="3"><favorite packageName="com.google.android.googlequicksearchbox" className="com.google.android.googlequicksearchbox.SearchActivity"/>......<favorite packageName="com.google.android.apps.photos" className="com.google.android.apps.photos.home.HomeActivity"/></folder><favorite screen="0" x="3" y="3" packageName="com.android.vending" className=