Pass digests that are applicable to Strongbox.

1. Updated the tests to pass only DIGEST_NONE and DIGEST_SHA256
   for Strongbox in GenerateKey
2. Restrict error code check for too large challenge TC for
   devices launched with VSR >= ANDROID_V

Bug: 337427860
Test: run cts --module CtsKeystoreTestCases
Change-Id: Iaf4054e7dc5198f3b2555f716377e28c026ce72a
2 files changed