tree bb65a607ef297f6848c090e1b82a79314e76af89
parent 8e891541b7808def337f19d9c5f6eedbf947697e
author Felipe Leme <felipeal@google.com> 1582739225 -0800
committer Felipe Leme <felipeal@google.com> 1582849276 -0800

Added UserHalService.HalCallback.STATUS_CONCURRENT_OPERATION.

This status is called when a UserHalService method is called before
the HAL returned from a previous call to the same method.

Also fixed mPendingCallbacks thread-safety on UserHalService.

Test: atest CarServiceUnitTest:com.android.car.hal.UserHalServiceTest#testGetUserInfo_secondCallFailWhilePending
Test: atest CarServiceUnitTest:com.android.car.hal.UserHalServiceTest

Bug: 146207078
Bug: 150399261

Change-Id: I4970ca32f64b5166ec6eabfd039afb18d50facf1