Philip P. Moltmann 0e8a7db66f Clear identity before calling deeper into USB code
This is needed as deeper in the code we call UsbAccessory.getSerial
which behaves differently depending on the caller. I.e. we have to make
sure to have the system server identity when we call this methods.

Fixes: 117547676
Test: - Started Android Auto
      - CtsVerifier USB Device and USB Accessory tests

Change-Id: I6d752ad5d2ff058dadf1e27e41247153c7db5ee6
2018-10-10 10:48:44 -07:00
..