A new avatar icon set (uplift to 0.71.x)

[brave-builds]

Uplift of #3771
Fixes brave/brave-browser#6443

Approved, please ensure that before merging:

• You have checked CI and the builds, lint, and tests all pass or are not related to your PR.
• You have tested your change on Nightly.
• The PR milestones match the branch they are landing to.

After you merge:

• The associated issue milestone is set to the smallest version that the changes is landed on.

[kjozwiak]

Restarting. Looks like it timed out after ~6mins and never ran correctly.

[kjozwiak]

Looks like there was lint failures due to ImportError: No module named httplib2 on iOS and macOS which is a known problem and is being addressed by both @bsclifton and @jumde.

Restarting macOS due to npm run audit_deps failing as per https://staging.ci.brave.com/job/brave-browser-build-pr/job/pr3771_profile-icons_0.71.x/1/execution/node/523/log/:

03:44:05  Auditing /Users/jenkins/jenkins/workspace/d-pr_pr3771_profile-icons_0.71.x/src/brave/components/brave_sync/extension/brave-crypto
03:44:05  /Users/jenkins/jenkins/workspace/d-pr_pr3771_profile-icons_0.71.x/src/brave/components/brave_sync/extension/brave-crypto: npm audit
03:44:18  
03:44:18  npm ERR! code ENOAUDIT
03:44:18  npm ERR! audit Your configured registry (https://registry.npmjs.org/) does not support audit requests, or the audit endpoint is temporarily unavailable.

Restarting Win x64 due to the following failure as per:

• https://staging.ci.brave.com/job/brave-browser-build-pr/job/pr3771_profile-icons_0.71.x/1/execution/node/523/log/:

01:12:49  WindowsError: [Error 123] The filename, directory name, or volume label syntax is incorrect: 'C:\\Users\x07dministrator''

[bsclifton]

rebased 👍

[bsclifton]

Lint failed- but otherwise, looks good! 👍

[bsclifton]

++