1ExtServices module - Displayhash
2=============================
3
4### DisplayHashingService
5DisplayHashingService is used to generate an instance of DisplayHash for the specified buffer.
6It's also used to verify that a specific display hash was generated by the system. When generating
7a display hash, the caller can specify which of the supported hashing algorithms it wishes to use.
8
9### Test
10- MTS
11- CTS
12  - cts-tradefed run cts -m CtsWindowManagerDeviceTestCases -t DisplayHashManagerTest