[GOBBLIN-1871] Fix bug that hiveMetadataWriter may make the hive schema columns inconsistent with the Avro.schema.literal

[ZihanLi58]

Dear Gobblin maintainers,

Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!

JIRA

• My PR addresses the following Gobblin JIRA issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
  • https://issues.apache.org/jira/browse/GOBBLIN-1871

Description

• Here are some details about my PR, including screenshots (if applicable):
  hiveMetadataWriter might update Avro.schema.literal without making the corresponding change in hive schema columns
  Also change the HiveOrcSerDeManager to only talk with hdfs when necessary to reduce the num of call to hdfs.

Tests

• My PR adds the following unit tests OR does not need testing for this extremely good reason:
  unit tested

Commits

• My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message":
  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters
  3. Subject does not end with a period
  4. Subject uses the imperative mood ("add", not "adding")
  5. Body wraps at 72 characters
  6. Body explains "what" and "why", not "how"

[codecov-commenter]

Codecov Report

Merging #3734 (3783ecb) into master (0d3b3b5) will increase coverage by 0.00%.
The diff coverage is 25.00%.

@@            Coverage Diff            @@
##             master    #3734   +/-   ##
=========================================
  Coverage     47.08%   47.08%           
  Complexity    10860    10860           
=========================================
  Files          2146     2146           
  Lines         84783    84781    -2     
  Branches       9409     9408    -1     
=========================================
  Hits          39920    39920           
+ Misses        41240    41238    -2     
  Partials       3623     3623           

Files Changed	Coverage Δ
...apache/gobblin/hive/writer/HiveMetadataWriter.java	0.00% <0.00%> (ø)
...g/apache/gobblin/hive/orc/HiveOrcSerDeManager.java	60.41% <100.00%> (ø)

... and 3 files with indirect coverage changes

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[vikrambohra]

lgtm