ZEPPELIN-3581. Add "type": "textarea" to "default.statementPrecode" in interpreter-setting.json
ZEPPELIN-3581. Add "type": "textarea" to "default.statementPrecode" in interpreter-setting.json

### What is this PR for?
Fix "interpreter-setting.json" for JDBC interpreter

### What type of PR is it?
Bug Fix

### What is the Jira issue?
[ZEPPELIN-3581](https://issues.apache.org/jira/browse/ZEPPELIN-3581)

### How should this be tested?
* Check text area near the "default.statementPrecode" setting.

### Questions:
* Does the licenses files need update? no
* Is there breaking changes for older versions? no
* Does this needs documentation? no

Author: Maxim Belousov <mebelousov@ya.ru>

Closes #3050 from mebelousov/ZEPPELIN-3581 and squashes the following commits:

4b052ed6b [Maxim Belousov] Add "type": "textarea" to "default.statementPrecode"

jongyoul/zeppelin,Leemoonsoo/incubator-zeppelin,fogbeam/zeppelin_mirror,jongyoul/incubator-zeppelin,jongyoul/zeppelin,datalayer/zeppelin-datalayer,hammertank/zeppelin,datalayer/zeppelin-datalayer,prabhjyotsingh/zeppelin,Leemoonsoo/incubator-zeppelin,karuppayya/zeppelin,prabhjyotsingh/zeppelin,apache/incubator-zeppelin,VipinRathor/zeppelin,VipinRathor/zeppelin,sergeymazin/zeppelin,fogbeam/zeppelin_mirror,herval/zeppelin,Leemoonsoo/incubator-zeppelin,prabhjyotsingh/zeppelin,cquptEthan/incubator-zeppelin,karuppayya/zeppelin,datalayer/zeppelin-datalayer,prabhjyotsingh/zeppelin,sergeymazin/zeppelin,sergeymazin/zeppelin,hammertank/zeppelin,zjffdu/zeppelin,herval/zeppelin,Leemoonsoo/incubator-zeppelin,sergeymazin/zeppelin,apache/zeppelin,apache/zeppelin,Leemoonsoo/zeppelin,prabhjyotsingh/incubator-zeppelin,hammertank/zeppelin,prabhjyotsingh/incubator-zeppelin,apache/zeppelin,karuppayya/zeppelin,joroKr21/incubator-zeppelin,cquptEthan/incubator-zeppelin,fogbeam/zeppelin_mirror,prabhjyotsingh/incubator-zeppelin,joroKr21/incubator-zeppelin,jongyoul/incubator-zeppelin,apache/incubator-zeppelin,Leemoonsoo/incubator-zeppelin,Leemoonsoo/zeppelin,joroKr21/incubator-zeppelin,herval/zeppelin,apache/incubator-zeppelin,Leemoonsoo/zeppelin,apache/incubator-zeppelin,mwkang/zeppelin,herval/zeppelin,sergeymazin/zeppelin,zjffdu/zeppelin,zjffdu/zeppelin,zjffdu/zeppelin,zetaris/zeppelin,joroKr21/incubator-zeppelin,karuppayya/zeppelin,prabhjyotsingh/incubator-zeppelin,mwkang/zeppelin,zetaris/zeppelin,prabhjyotsingh/incubator-zeppelin,jongyoul/incubator-zeppelin,mwkang/zeppelin,Leemoonsoo/zeppelin,hammertank/zeppelin,VipinRathor/zeppelin,zetaris/zeppelin,cquptEthan/incubator-zeppelin,fogbeam/zeppelin_mirror,apache/incubator-zeppelin,mwkang/zeppelin,apache/incubator-zeppelin,Leemoonsoo/incubator-zeppelin,jongyoul/zeppelin,jongyoul/zeppelin,joroKr21/incubator-zeppelin,fogbeam/zeppelin_mirror,apache/zeppelin,hammertank/zeppelin,sergeymazin/zeppelin,apache/zeppelin,VipinRathor/zeppelin,fogbeam/zeppelin_mirror,zjffdu/zeppelin,zjffdu/zeppelin,VipinRathor/zeppelin,herval/zeppelin,joroKr21/incubator-zeppelin,prabhjyotsingh/zeppelin,jongyoul/zeppelin,mwkang/zeppelin,cquptEthan/incubator-zeppelin,mwkang/zeppelin,herval/zeppelin,zetaris/zeppelin,zetaris/zeppelin,herval/zeppelin,VipinRathor/zeppelin,jongyoul/zeppelin,prabhjyotsingh/zeppelin,Leemoonsoo/zeppelin,sergeymazin/zeppelin,jongyoul/incubator-zeppelin,zetaris/zeppelin,VipinRathor/zeppelin,Leemoonsoo/zeppelin,karuppayya/zeppelin,jongyoul/incubator-zeppelin,datalayer/zeppelin-datalayer,apache/zeppelin,apache/zeppelin,jongyoul/incubator-zeppelin,hammertank/zeppelin,karuppayya/zeppelin,zetaris/zeppelin,cquptEthan/incubator-zeppelin,karuppayya/zeppelin,prabhjyotsingh/incubator-zeppelin,hammertank/zeppelin,Leemoonsoo/zeppelin,zjffdu/zeppelin,joroKr21/incubator-zeppelin,cquptEthan/incubator-zeppelin,Leemoonsoo/zeppelin,jongyoul/zeppelin,joroKr21/incubator-zeppelin,prabhjyotsingh/zeppelin,fogbeam/zeppelin_mirror,cquptEthan/incubator-zeppelin,mwkang/zeppelin