以下是Source Application去query Target Application中的content provider时的流程，此处只画到content provider启动。
The picture above is the flow chart for how Content Providers started
(1) Source APP Inform AMS to query the content provider with URL, in blue;
(2) AMS searched all registered content providers, once not found, it will 1 st
start the Application whose AndroidManifest host such Content provider,
in Aubergine;
(3) create the content provider in bindApplication, in red;
(4) Inform the content provider created to AMS, AMS would store it to its local
Map, in yellow;
(5) Source Application can query the content provider conents now, here just ignore
The invocations.