Update README.md

Bindgen updated to r522817.

Change-Id: Ifeec52d60ac80e6564e18ade874a9366646cb9d2
diff --git a/README.md b/README.md
index 9af677b..f893a7b 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@
     * Currently clang-r522817
     * Look for "CLANG_REVISION" in [paths.py](https://android.googlesource.com/toolchain/android_rust/+/refs/heads/main/src/android_rust/paths.py)
   * Bindgen
-    * Currently clang-r510928
+    * Currently clang-r522817
     * Look for "bindgenClangVersion" in [bindgen.go](https://android.googlesource.com/platform/build/soong/+/refs/heads/master/rust/bindgen.go)
 
 * **Stage 1 compiler**