tree eed72eeaf2e6dc5dcdf7319941af45c835ecc286
parent 88cbad341d2dd920ac74c2296f319482bd53a33d
author Ravi Kumar Alamanda <ralama@codeaurora.org> 1443041223 -0700
committer Glenn Kasten <gkasten@google.com> 1443126070 -0700

hal: Add support for perf lock management

Acquire perf lock before starting an input or output
stream to optimize the cold start latency.

Bug: 22537514

Cherry-pick of CAF commit:
390bcf3edac3e0e38cf8163d1297f1b669117fe0

Change-Id: Iacedde8ff8531f8857e516e2671acd62197556a0