Add back DurationTimer to fix camera.msm8960 load

cannot locate symbol "_ZN7android13DurationTimer5startEv"

Change-Id: I29d3283b644c773e6d798d17b2ef139a470048da
audio: Expose a few things previously under QCOM_HARDWARE

 * Allow everyone to use a few of these device types without
   setting QCOM_HARDWARE. Currently there is qute a mess due
   to the way QC is handling branches, when we figure out a
   good solution this can be reverted.

Change-Id: I75447a21ad1cf26e9683d2eac488a1b1238e5adb
Merge remote-tracking branch 'cyanogen/cm-11.0' into cm-11.0

Conflicts:
	libutils/Timers.cpp