Fix build error of sysprop_library in namespace

Dependencies from property_contexts to sysprop_library now uses absolute
module path, and modules which are not exported to make are filtered
out.

Bug: 155148526
Test: add sysprop_library under any soong_namespace
Test: check build.ninja and see property_contexts inputs
Change-Id: Ib9456e8e5dfca74ce53da3cc947c8e6b1ed9a16b