Enrich arm64 tests in Travis matrix

Enrich arm64 tests in Travis matrix

1, Remove simple test just with --strict-warnings enabled.
2, Share the three common envs with amd64.
3, Add matrix item running test in bionic(default xenial) for arm64.
4, Enable MSan test on arm64 for extended test.
5, Enable UBSan test on arm64 for extended test.

Change-Id: Ic1f2c5e39ee6fbafed6ede74a925301121463520

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10519)

(cherry picked from commit 77fedcdc8cf5446354a1e7ff9123d8ada5b79b06)