Crash Chrome with Rust Again

Oops, I did it again. When I removed the last platform condition, the
enable_rust_crash became gated on enable_all_rust_features, but that
was only meant to override the disabled platforms.

Bug: 1457505, 1368726
Change-Id: I774116d118eef6c5429149205e6fded1023a05a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4718489
Auto-Submit: danakj <danakj@chromium.org>
Commit-Queue: danakj <danakj@chromium.org>
Reviewed-by: Łukasz Anforowicz <lukasza@chromium.org>
Commit-Queue: Łukasz Anforowicz <lukasza@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1175121}

build/config/rust.gni

@@ -88,7 +88,7 @@ declare_args() {
   enable_rust_json = enable_rust && enable_all_rust_features
 
   # Support for chrome://crash-rust to check crash dump collection works.
-  enable_rust_crash = enable_rust && enable_all_rust_features
+  enable_rust_crash = enable_rust
 
   # Support for QR code generation - see https://crbug.com/1431991.
   #