Enable clang-tidy in oboeservice.

Warnings and errors generated by clang-tidy are eliminated by this CL.

Bug: 186572209
Test: make
Test: atest AAudioTests
Change-Id: I3296193bac18fee499f39314ac32a5750a385855
diff --git a/services/oboeservice/SharedRingBuffer.h b/services/oboeservice/SharedRingBuffer.h
index cff1261..463bf11 100644
--- a/services/oboeservice/SharedRingBuffer.h
+++ b/services/oboeservice/SharedRingBuffer.h
@@ -39,7 +39,7 @@
  */
 class SharedRingBuffer {
 public:
-    SharedRingBuffer() {}
+    SharedRingBuffer() = default;
 
     virtual ~SharedRingBuffer();