parquet-mr code changes for encryption support

[asfimport]

Addition of encryption/decryption support to the existing Parquet classes and APIs

Reporter: Gidon Gershinsky / @ggershinsky
Assignee: Gidon Gershinsky / @ggershinsky

PRs and other links:

• GitHub Pull Request #776

_{Note: This issue was originally created as PARQUET-1229. Please see the migration documentation for further details.}

[asfimport]

Wang Mingming:
I see the original PR was close, but I didn't find the code in master branch.

[asfimport]

Gidon Gershinsky / @ggershinsky:
Once parquet-mr-1.11.0 is released, a new PR will be created for this jira.