fs_config: move fs_config to libcutils
fs_config: move fs_config to libcutils

Bug: 19908228
Change-Id: I4103ac395d0a28fd13173cc703e980aafe6c02e1

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build