DPM: Fix regression from I54376f60ac53451ace22965d331b47cd8c2e614e

Fixes an issue where setting a password via DPM would never
satisfy a QUALITY_COMPLEX password requirement.

Change-Id: I3fbc952bd44291ac22728c626b128fc0c1aae232
Merged-In: I3fbc952bd44291ac22728c626b128fc0c1aae232
Fixes: 120915644
Bug: 110172241
Test: atest 'com.android.cts.devicepolicy.DeviceAdminHostSideTestApi24#testRunDeviceOwnerPasswordTest'
Test: Set credential via DPM.resetPassword(), factory reset device to trigger FRP, verify FRP shows.