Create a soundtrigger v2.3 CLI mock

This is ported from the v2.4 CLI in preparation for v2.4's
deprecation.

Bug: 181996624
Test: Manual invocation and verification.
Change-Id: I77c6a12b77b11d74359bcc0792a5a4c70032c7ce
diff --git a/soundtrigger/2.3/cli/Android.bp b/soundtrigger/2.3/cli/Android.bp
new file mode 100644
index 0000000..27d7b30
--- /dev/null
+++ b/soundtrigger/2.3/cli/Android.bp
@@ -0,0 +1,17 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+java_binary {
+    name: "sthal_cli_2.3",
+    wrapper: "sthal_cli_2.3",
+    srcs: ["java/**/*.java"],
+    static_libs: [
+        "android.hardware.soundtrigger-V2.3-java",
+    ],
+}