Fix isPwdValid. Correct logs. Change history related function names.

[Issue#]        N/A
[Bug]           Wrong value returned by isPwdValid. Some logs showed up incorrectly as error.
                History related functions had misleading names.
[Cause]         Incorrect casting in isPwdValid.
[Solution]      Add condition correcting returned time by isPwdValid. Correct log types. Change
                historySize related functions to maxHistorySize.
[Verification]  Build, run tests. Test tc43 should pass, others should work as earlier. Commit with
                tc43 - http://slp-info.sec.samsung.net/gerrit/#/c/357776/

Change-Id: Ic9ce0423f2ec233f3c1d8703dba8ab92e998632d