Increase leniency of attestation record timestamps

The TEE keymaster has been seen to be almost a minute out of sync with
the host clock during attestation.  Increase the leniency window to two
minutes.

Bug: 134408892
Bug: 134408367
Test: VtsHalKeymasterV4_0TargetTest
Change-Id: Ic256a939dcd7e7b108099cfcf237cacde8dde059