Upgrade from Chromium 92 to Chromium 93

[mkarolin]

Upgrade from Chromium 92 to Chromium 93.

https://chromium.googlesource.com/chromium/src/+log/92.0.4515.159..93.0.4577.42/?pretty=fuller&n=10000

QA tests:
This is a major Chromium version bump, please do full passes.

Desktop Affected areas:

1. Sync (general functionality)
2. Settings WebUI, including import dialog, history, downloads, extensions (general functionality)
3. Profile picker
4. Ads (notifications shown)
5. NTP top sites
6. Widevine (installation + general functionality)

Android Affected areas:

1. New color scheme in Chromium
2. Sync (including settings UI)
3. Ads notifications (just check that they pop up)
4. Stacked overview mode

[LaurenWags]

Marked as QA/No and release-notes/exclude as this is superseded by #17668

[kjozwiak]

Verification PASSED on Win 10 x64 using the following build:

Brave | 1.30.43 Chromium: 93.0.4577.51 (Official Build) nightly (64-bit)
-- | --
Revision | 762d21050e2da59930c784c09b134d0b0b148188-refs/branch-heads/4577@{#915}
OS | Windows 10 OS Version 2009 (Build 19042.1165)

• went through Manual test run on Win x64 for 1.29.x - Nightly (Checking C93) #17520
• found several regression as per Manual test run on Win x64 for 1.29.x - Nightly (Checking C93) #17520 (comment)
• went through the sections outlined via Upgrade from Chromium 92 to Chromium 93 #16306 (comment)
• ensured that there wasn't any new components being loaded via brave://components
• ensured that there wasn't any new additions that we might need to remove under brave://settings