Fix usage of StringBuilder when getting parent path
in PathUtils
Making constants final
timing encode/decode in a test case

Change-Id: Ia552163dfe35dcd268bd8a0620c6b34c910f47b2
Signed-off-by: Basheeruddin Ahmed <syedbahm@cisco.com>
Merge "Fix usage of StringBuilder when getting parent path in PathUtils Making constants final timing encode/decode in a test case"