Fix SPIRV-Tools Android.bp build

Adjust the Android Blueprint build file after
https://github.com/KhronosGroup/SPIRV-Tools/pull/4780

Bug: b/231650107
Change-Id: Ibf13dc6dfe6ab9e893c1a98f9dfe9cc16d324a6a
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/65669
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
diff --git a/third_party/SPIRV-Tools/Android.bp b/third_party/SPIRV-Tools/Android.bp
index c6ae2b4..78e0392 100644
--- a/third_party/SPIRV-Tools/Android.bp
+++ b/third_party/SPIRV-Tools/Android.bp
@@ -119,7 +119,7 @@
     out: ["build-version.inc"],
     srcs: ["CHANGES"],
     tool_files: ["utils/update_build_version.py"],
-    cmd: "$(location) $$(dirname $(location CHANGES)) " +
+    cmd: "$(location) $(location CHANGES) " +
          "$(location build-version.inc)",
 }