core: Add some static libraries

 * Add static versions of libdiskconfig and libsysutils for MiniVold

Change-Id: I9ea9498dcff3f094bbcbb1e05e6d10bc9b83ac74
Merge branch 'cm-10.2' of https://github.com/CyanogenMod/android_system_core into cm-10.2

ly after
switching governor.

Change-Id: I3e0fd310aaacbb4e647e42597d38040774257955