HBASE-23833. The relocated hadoop-thirdparty protobuf breaks HBase asyncwal (#1301)
* Use Reflection to access shaded Hadoop protobuf classes.
(cherry picked from commit
a321e536989083ca3620bf2c53f12c07740bf5b0)
* Update to improve the code:
1. Added license.
2. Added more comments.
3. Wrap byte array instead of copy to make a ByteString.
4. Moved all reflection instantiation to static class loading time.
* Use LiteralByteString to wrap byte array instead of copying it.
Signed-off-by: Duo Zhang <zhangduo@apache.org>
Signed-off-by: stack <stack@apache.org>