Add 'override' specifier to overridden destructor methods

Test: Build
Bug: 37752547
Change-Id: I157e1c2aa5d9d08fcab6055a3ca48c6ed8a050fc
diff --git a/include/ui/HdrCapabilities.h b/include/ui/HdrCapabilities.h
index a7cd5fb..8f6b7a6 100644
--- a/include/ui/HdrCapabilities.h
+++ b/include/ui/HdrCapabilities.h
@@ -41,7 +41,7 @@
         mMaxAverageLuminance(-1.0f),
         mMinLuminance(-1.0f) {}
 
-    virtual ~HdrCapabilities() = default;
+    ~HdrCapabilities() override = default;
 
     const std::vector<int32_t /*android_hdr_t*/>& getSupportedHdrTypes() const {
         return mSupportedHdrTypes;