aaudio: test audio_utils::Histogram

Test out of range indices.

Test: adb shell test_histogram
Change-Id: If12c04676e98af32399ea013a521da671e6ae5ae
diff --git a/media/libaaudio/tests/Android.bp b/media/libaaudio/tests/Android.bp
index 19cd0a0..73fd896 100644
--- a/media/libaaudio/tests/Android.bp
+++ b/media/libaaudio/tests/Android.bp
@@ -215,3 +215,14 @@
     srcs: ["test_full_queue.cpp"],
     shared_libs: ["libaaudio"],
 }
+
+cc_test {
+    name: "test_histogram",
+    defaults: ["libaaudio_tests_defaults"],
+    srcs: ["test_histogram.cpp"],
+    shared_libs: [
+        "libaudioutils",
+        "libcutils",
+        "libutils",
+    ],
+}