Comments in CAVP are semantically important and we need to copy them
from the input to the output.

Change-Id: Ib798c4ad79de924487d0c4a0f8fc16b757e766d8
Reviewed-on: https://boringssl-review.googlesource.com/16725
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

Also allow breaking ECDSA/RSA pair-wise consistency tests and ECDSA
self-test.

Change-Id: I1c7723f6082568ebf93158cfaa184cbdeb7480a0
Reviewed-on: https://boringssl-review.googlesource.com/16305
Reviewed-by: Adam Langley <agl@google.com>

Change-Id: If53f88135976e5f8f113c0e68bd880e378c98fd9
Reviewed-on: https://boringssl-review.googlesource.com/15885
Reviewed-by: Martin Kreichgauer <martinkr@google.com>
Reviewed-by: Adam Langley <agl@google.com>

Change-Id: Iba3392fe77010688ecc2bb87f59d4aa7a25ce685
Reviewed-on: https://boringssl-review.googlesource.com/15827
Reviewed-by: Adam Langley <agl@google.com>

Change-Id: I7ee611484b576a2195405ee47c29af7168b9556e
Reviewed-on: https://boringssl-review.googlesource.com/15804
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>