Spatializer: track scheduler statistics

This requires the spatializer to be enabled to run.

Test: adb shell dumpsys media.audio_flinger
Test: atest media_process_tests
Bug: 228648325
Change-Id: I2315064a548d5dced82a08c7f64c7fc2e900905b
diff --git a/media/utils/tests/Android.bp b/media/utils/tests/Android.bp
index 30c10b7..d9c2b21 100644
--- a/media/utils/tests/Android.bp
+++ b/media/utils/tests/Android.bp
@@ -64,6 +64,26 @@
 }
 
 cc_test {
+    name: "media_process_tests",
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libmediautils",
+        "libutils",
+    ],
+
+    srcs: [
+        "media_process_tests.cpp",
+    ],
+}
+
+cc_test {
     name: "media_synchronization_tests",
 
     cflags: [