Enable overflow sanitization in libvorbisidec.

Enable integer overflow sanitization in libvorbisidec, initially in
diagnostics mode.

Bug: 110791537
Test: CTS tests
Change-Id: I0b74d1e5e96327d876ab81394b8a4c44c72914f4
diff --git a/Android.bp b/Android.bp
index 080b563..c0278c2 100644
--- a/Android.bp
+++ b/Android.bp
@@ -65,4 +65,11 @@
     export_include_dirs: ["."],
 
     shared_libs: ["liblog"],
+
+    sanitize: {
+        integer_overflow: true,
+        diag: {
+            integer_overflow: true,
+        },
+    },
 }