Adding annotations to set default storage class

[cccsss01]

What type of PR is this?

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/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

none

[k8s-ci-robot]

Hi @cccsss01. Thanks for your PR.

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[cccsss01]

@andyzhangx Think I finally got it right

[andyzhangx]

/ok-to-test

[coveralls]

Pull Request Test Coverage Report for Build 9453911329

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 78.793%

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Totals
Change from base Build 9447442803:	0.0%
Covered Lines:	888
Relevant Lines:	1127

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💛 - Coveralls

[andyzhangx]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, cccsss01

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