extract-files: add ability to specify a source directory for props

Change-Id: I9035e2e27120bd1bd7f420f9d3ea0d0064e592d2
msm8960: use qcom power hal

Change-Id: Iaf93f4ef50bd7c5d7b28a9d3d427af30e11c9976
Merge "extract-files: add ability to specify a source directory for props" into cm-11.0