Gear Preference on VPN page includes subtitle if the vpn is an insecure

type

Test: atest SettingsUnitTests
Screenshot: https://screenshot.googleplex.com/BWfUf6hcHNnbLvH
Bug: 176821216
Change-Id: I2bee3ba100bfe636221264492a2ce98b6a664cd5
Merged-In: I2bee3ba100bfe636221264492a2ce98b6a664cd5
(cherry picked from commit 39222497)