Migrate to the librustutils cutils bindings.

Bug: 182498247
Test: Build
Change-Id: I0ab7fb092574c74b09c1b5b60e82ff776a214d53
diff --git a/keystore2/legacykeystore/Android.bp b/keystore2/legacykeystore/Android.bp
index fb6f60f..da6aa8a 100644
--- a/keystore2/legacykeystore/Android.bp
+++ b/keystore2/legacykeystore/Android.bp
@@ -31,10 +31,10 @@
         "android.security.legacykeystore-rust",
         "libanyhow",
         "libbinder_rs",
-        "libcutils_bindgen",
         "libkeystore2",
         "liblog_rust",
         "librusqlite",
+        "librustutils",
         "libthiserror",
     ],
 }
@@ -49,11 +49,11 @@
         "android.security.legacykeystore-rust",
         "libanyhow",
         "libbinder_rs",
-        "libcutils_bindgen",
         "libkeystore2",
         "libkeystore2_test_utils",
         "liblog_rust",
         "librusqlite",
+        "librustutils",
         "libthiserror",
     ],
 }