Catalog, update component and layout icons

[santosh-pingle]

IMPORTANT: All PRs must be linked to an issue (except for extremely trivial and straightforward changes).

Fixes #1047

Description
Clear and concise code change description.
As per ux guideline, it is required to update new icons which are shown on landing page.

Alternative(s) considered
Have you considered any alternatives? And if so, why have you chosen the approach in this PR?

Type
Choose one: Bug fix

Screenshots (if applicable)

Checklist

• I have read and acknowledged the Code of conduct
• I have read the Contributing page
• I have signed the Google Individual CLA, or I am covered by my company's Corporate CLA
• I have discussed my proposed solution with code owners in the linked issue(s) and we have agreed upon the general approach
• I have run ./gradlew spotlessApply and ./gradlew spotlessCheck to check my code follows the style guide of this project
• I have run ./gradlew check and ./gradlew connectedCheck to test my changes locally
• I have built and run the reference app(s) to verify my change fixes the issue and/or does not break the reference app(s)

[codecov]

Codecov Report

Merging #1101 (dfa09c5) into master (c13b477) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1101   +/-   ##
=========================================
  Coverage     84.51%   84.51%           
  Complexity      608      608           
=========================================
  Files           134      134           
  Lines         10276    10276           
  Branches        756      756           
=========================================
  Hits           8685     8685           
  Misses         1215     1215           
  Partials        376      376           

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[jingtang10]

can you please add screenshots

[santosh-pingle]

[jingtang10]

i can't really see the difference of the icons @shelaghm @santosh-pingle is this a redesign?