### What changes were proposed in this pull request?
Build changes and test resources for enabling SSL support.
Please see #2416 for the consolidate PR with all the changes for reference.
Note: I closed the older PR #2413 and reopened this one give the repo changes.
### Why are the changes needed?
Build dependency updates and addition of test resources for use with tests.
The specific tests leveraging these will be added in subsequent jiras linked off of CELEBORN-1343
Splitting it up into multiple PR's to reduce the review load.
### Does this PR introduce _any_ user-facing change?
io.netty:netty-tcnative-boringssl-static is an additional dependency.
org.bouncycastle:* are test dependencies which should have no user facing changes.
### How was this patch tested?
The overall PR #2411 passes all tests, this is specifically pulling out the dependency changes and resources.
Closes#2417 from mridulm/build-and-test-for-tls.
Lead-authored-by: Mridul Muralidharan <mridul@gmail.com>
Co-authored-by: Mridul Muralidharan <mridulatgmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
