Revert stringPropertyNames usage in frameworkadming

Commits e8dbcc1f420471e3e4a5e8a73adf54ade5633e8d and
6098173f6ac7f3444d21074eab6d791db8646ad6 started using them but they
ignore non string values so revert to be on the safe side.

Change-Id: I329033a51f95f10991fd7f55b27c1bbc3d4590c3
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
2 files changed