Correlation tool : Initial version

Bug: 132097139
Test: correlation

Change-Id: I0922934e4dddd7475b53b9368f743eb3bcfe3020
diff --git a/media/libeffects/preprocessing/tests/Android.bp b/media/libeffects/preprocessing/tests/Android.bp
index b439880..5e8255a 100644
--- a/media/libeffects/preprocessing/tests/Android.bp
+++ b/media/libeffects/preprocessing/tests/Android.bp
@@ -19,3 +19,14 @@
         "libhardware_headers",
     ],
 }
+
+cc_test {
+    name: "correlation",
+    host_supported: true,
+    srcs: ["correlation.cpp"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+    ],
+}