### What changes were proposed in this pull request?
Support upsert and delete of dynamic configuration management.
### Why are the changes needed?
There is only listing dynamic configuration interface for dynamic configuration management. It should support upserting and deleting dynamic configuration.
### Does this PR introduce _any_ user-facing change?
- Rest API:
- `/api/v1/conf/dynamic/upsert` to upsert dynamic configurations.
- `/api/v1/conf/dynamic/delete` to delete dynamic configurations.
- CLI:
- `--upsert-dynamic-conf` to upsert dynamic configurations.
- `--delete-dynamic-conf` to upsert dynamic configurations.
### How was this patch tested?
- `ConfigServiceSuiteJ`
- `ApiV1BaseResourceSuite`
- `TestCelebornCliCommands`
Closes#3323 from SteNicholas/CELEBORN-1056.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Wang, Fei <fwang12@ebay.com>
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