qcom: Allow setting custom audio, display, and media HALs

Currently, using project-set-path is blocking us from overriding the pathmap
for the audio, display, and media HALs, so set them with set-device-specific-path
to allow overriding the HALs with USE_DEVICE_SPECIFIC_* and DEVICE_SPECIFIC_*_PATH

Change-Id: Iee3723cf251d0f485a77a17fd61cb62178833582