test_platform: Add flag to enable use of provision TLS API

BUG=chromium:1137444
TEST=./generate.sh

Change-Id: I6c2f6470f36e25a592de2cb7430f688a0a154d1a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2468536
Reviewed-by: Sean Abraham <seanabraham@chromium.org>
Commit-Queue: Prathmesh Prabhu <pprabhu@google.com>
4 files changed