scripts: build-chromium: Update to 121.0.6167.71

* Patches from https://github.com/GrapheneOS/Vanadium/tree/d40275b1366e1693b06b7ea722bf65dfa4e82945/patches

Change-Id: If839da150386fde1217ae641a9d42141aef59354
42 files changed
tree: c1ce172240ce238927b66c440ccc08cc257522ac
  1. aosp-merger/
  2. build-chromium/
  3. lineage-merger/
  4. repo/