Bug 1009410 - Expose graphic Buffer to MediaCodecBug. r=sotaro

Change-Id: I8d65b7b9b964bd69d2f60c4bafb547fbcb04c692
Merge "Bug 1009410 - Expose graphic Buffer to MediaCodecBug. r=sotaro"
Use sys wake_lock interface directly in B2G

AudioFlinger uses android power manager service which is
not available in B2G. Use wake_lock sysfs interface
instead

Change-Id: Ib492e685b9e9be9c5fb4ad14966a8e321db1d2c4
Merge "Use sys wake_lock interface directly in B2G"