Use the same sysroot for clang, rust, and chrome

The immediate reason for this CL is to fix a missing symbol issue when
building rust tests, but in the long term, this also simplifies things
as we no longer have to maintain a separate sysroot for clang and rust.

Cq-Include-Trybots: chromium/try:chromeos-amd64-generic-cfi-thin-lto-rel
Cq-Include-Trybots: chromium/try:dawn-win10-x86-deps-rel
Cq-Include-Trybots: chromium/try:lacros-arm64-generic-rel
Cq-Include-Trybots: chromium/try:linux-chromeos-dbg
Cq-Include-Trybots: chromium/try:linux_chromium_cfi_rel_ng
Cq-Include-Trybots: chromium/try:linux_chromium_chromeos_msan_rel_ng
Cq-Include-Trybots: chromium/try:linux_chromium_msan_rel_ng
Cq-Include-Trybots: chromium/try:mac11-arm64-rel,mac_chromium_asan_rel_ng
Cq-Include-Trybots: chromium/try:ios-catalyst,win-asan,android-official
Cq-Include-Trybots: chromium/try:fuchsia-arm64-cast-receiver-rel
Cq-Include-Trybots: chromium/try:mac-official,linux-official
Cq-Include-Trybots: chromium/try:win-official,win32-official
Cq-Include-Trybots: chromium/try:win-arm64-rel
Cq-Include-Trybots: chromium/try:linux-swangle-try-x64,win-swangle-try-x86
Cq-Include-Trybots: chromium/try:android-cronet-mainline-clang-arm64-dbg
Cq-Include-Trybots: chromium/try:android-cronet-mainline-clang-arm64-rel
Cq-Include-Trybots: chromium/try:android-cronet-mainline-clang-x86-dbg
Cq-Include-Trybots: chromium/try:android-cronet-mainline-clang-x86-rel
Cq-Include-Trybots: chromium/try:android-cronet-riscv64-dbg
Cq-Include-Trybots: chromium/try:android-cronet-riscv64-rel
Cq-Include-Trybots: chrome/try:linux-chromeos-chrome
Cq-Include-Trybots: chrome/try:win-chrome,win64-chrome,linux-chrome,mac-chrome
Cq-Include-Trybots: chrome/try:linux-pgo,win32-pgo,win64-pgo
Cq-Include-Trybots: chromium/try:android-rust-arm32-rel
Cq-Include-Trybots: chromium/try:android-rust-arm64-dbg
Cq-Include-Trybots: chromium/try:android-rust-arm64-rel
Cq-Include-Trybots: chromium/try:linux-rust-x64-dbg
Cq-Include-Trybots: chromium/try:linux-rust-x64-rel
Cq-Include-Trybots: chromium/try:mac-rust-x64-dbg
Cq-Include-Trybots: chromium/try:win-rust-x64-dbg
Cq-Include-Trybots: chromium/try:win-rust-x64-rel
Bug: 349840047,40217048
Fixed: 349840047
Change-Id: I4f468bc48ea6d1662a2589195349b4e60958f6b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5708650
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Alan Zhao <ayzhao@google.com>
Cr-Commit-Position: refs/heads/main@{#1328400}
NOKEYCHECK=True
GitOrigin-RevId: 052866afeb88ce0b237b5c7669b049e1437163c9

Author: alanzhao1

update_rust.py

@@ -36,7 +36,7 @@
 # this back to its previous value _AND_ set `OVERRIDE_CLANG_REVISION` below
 # to the `CLANG_REVISION` that was in place before the roll.
 RUST_REVISION = '3cf924b934322fd7b514600a7dc84fc517515346'
-RUST_SUB_REVISION = 2
+RUST_SUB_REVISION = 3
 
 # If not None, this overrides the `CLANG_REVISION` in
 # //tools/clang/scripts/update.py in order to download a Rust toolchain that