Reland "Support getting transform state in IpSecService"

This reverts commit 69eb8325c0c403e28fb938112a3077d381207a8e.

Bug: 308011229
Change-Id: I4dd68bdedc0088860895a833f2b4cb8e1845429a
Test: IpSecServiceParameterizedTest (new tests)
7 files changed