Upgrade bazelbuild-rules_rust to 0.49.3

This project was upgraded with external_updater.
Usage: tools/external_updater/updater.sh update external/bazelbuild-rules_rust
For more info, check https://cs.android.com/android/platform/superproject/main/+/main:tools/external_updater/README.md

Test: TreeHugger
Bug: 328465178
Bug: 360215829
Change-Id: I909b39f332808110b904a54e28e5ff081a296998
diff --git a/LICENSE b/LICENSE
new file mode 120000
index 0000000..85de3d4
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1 @@
+LICENSE.txt
\ No newline at end of file
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..700c760
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,19 @@
+# This project was upgraded with external_updater.
+# Usage: tools/external_updater/updater.sh update external/bazelbuild-rules_rust
+# For more info, check https://cs.android.com/android/platform/superproject/main/+/main:tools/external_updater/README.md
+
+name: "bazelbuild-rules_rust"
+description: "Bazel rules for building Rust code."
+third_party {
+  license_type: NOTICE
+  last_upgrade_date {
+    year: 2024
+    month: 8
+    day: 15
+  }
+  identifier {
+    type: "Git"
+    value: "https://github.com/bazelbuild/rules_rust"
+    version: "0.49.3"
+  }
+}