28211 Issues/86577 reland (platform-ios, platform-android, cla: yes, waiting for tree to go green, platform-web, platform-fuchsia, embedder)

28239 Eliminate Android-specific Vulkan support (platform-android, cla: yes, Work in progress (WIP), platform-fuchsia, needs tests)

28242 fuchsia.ui.pointer.TouchSource implementation for fuchsia platform view (cla: yes, waiting for tree to go green, platform-fuchsia)

28313 Revert “Build dart:zircon and dart:zircon_ffi (#28071)” (cla: yes, platform-fuchsia)

28355 fuchsia: Fix renderer destructor (cla: yes, platform-fuchsia, needs tests)