Fix google-explicit-constructor warnings in frameworks/base

* Add explicit keyword to conversion constructors.
* Add NOLINT to implicit conversion constructors.

Bug: 28341362
Test: build with clang-tidy
Change-Id: Ie4d37072ab57d1662d18db4de1c8577247f43337
diff --git a/libs/hwui/FrameInfoVisualizer.h b/libs/hwui/FrameInfoVisualizer.h
index cf877c4..2fd15eb 100644
--- a/libs/hwui/FrameInfoVisualizer.h
+++ b/libs/hwui/FrameInfoVisualizer.h
@@ -39,7 +39,7 @@
 
 class FrameInfoVisualizer {
 public:
-    FrameInfoVisualizer(FrameInfoSource& source);
+    explicit FrameInfoVisualizer(FrameInfoSource& source);
     ~FrameInfoVisualizer();
 
     bool consumeProperties();