Fixes Part Of #4194: Added dark mode support to DrawerFragment, ConceptCardFragment and AudioFragment

[Akshatkamboj14]

Explanation

Fixes Part Of #4194

Drawer Fragment : https://xd.adobe.com/view/c05e9343-60f6-4c11-84ac-c756b75b940f-950d/screen/eb119ee3-033f-4757-8aee-7ea234d6f126/specs/

Concept Card Fragment : https://xd.adobe.com/view/c05e9343-60f6-4c11-84ac-c756b75b940f-950d/screen/2ee531cf-c358-4a7d-b9dd-b772b51c3d3c/specs/

Audio Fragment : https://xd.adobe.com/view/c05e9343-60f6-4c11-84ac-c756b75b940f-950d/screen/d67b268b-f6d9-434f-8897-24a2b13ccd84/specs/

these 2 needs to be done in following PRs.

Revision Card Activity : https://xd.adobe.com/view/c05e9343-60f6-4c11-84ac-c756b75b940f-950d/screen/5d907b23-a75e-4f8b-8c59-afd3c734c53e/specs/

Home Activity : https://xd.adobe.com/view/c05e9343-60f6-4c11-84ac-c756b75b940f-950d/screen/67bfcbac-7b8e-491b-89c3-38937b37e5c2/specs/

• for future suggestion if somebody wants to show the Coming soon activity they can go to their project and can search for TopicListController.kt and comment out line number 266, 267 and 269. another suggestion is that they can complete all the chapters from developers options and complete recently played activities or they can refer to this document for further details -> https://docs.google.com/document/d/1o7hOz1rP-hJaKn1f5x6LV6ms0bzhyCpsTifJQY5crCc/edit#heading=h.ovlu0iazlug6

Default	Dark Mode

Essential Checklist

• The PR title and explanation each start with "Fix #bugnum: " (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
• Any changes to scripts/assets files have their rationale included in the PR explanation.
• The PR follows the style guide.
• The PR does not contain any unnecessary code changes from Android Studio (reference).
• The PR is made from a branch that's not called "develop" and is up-to-date with "develop".
• The PR is assigned to the appropriate reviewers (reference).

For UI-specific PRs only

If your PR includes UI-related changes, then:

• Add screenshots for portrait/landscape for both a tablet & phone of the before & after UI changes
• For the screenshots above, include both English and pseudo-localized (RTL) screenshots (see RTL guide)
• Add a video showing the full UX flow with a screen reader enabled (see accessibility guide)
• Add a screenshot demonstrating that you ran affected Espresso tests locally & that they're passing

[Akshatkamboj14]

@rt4914 can you PTAL, thanks.

[rt4914]

@Akshatkamboj14 Nice work. Suggested changes.

[rt4914]

LGTM, thanks.

[bhaktideshmukh]

I'll cover the other two remaining parts -- HomeActivity and RevisionCardActivity in another part of #4194 .