commit 31c80a89ad37fbdee2ac5c8872ee48acdc1b031f
author Jack He <siyuanh@google.com> Fri Nov 16 03:23:48 2018 -0800
committer Jack He <siyuanh@google.com> Thu Nov 29 18:15:26 2018 -0800
tree b4348ade292ff415b12617e40752fc3d9b941a9f
parent 4f7ffc566cbb117850926c3cd746d84f5f359220

Metrics: Add Bluetooth address obfuscator in Java

* Expose Bluetooth address obfuscator to Java layer as
  AdapterService.obfuscateAddress(BluetoothDevice)
* Add unit tests to verify different usage scenarios
* Add unit tests that read metrics salt value from disk and compare
  native layer obfuscation result with Java layer HMAC-SHA256
  calculation result

Bug: 112969790
Test: make, BluetoothInstrumentationTests
Change-Id: Iac151616413073b3602fd61d9e620a932ae0340c