inputflinger: fix format of parameter name comments

The Google C++ style guide [0] suggests that parameter name comments
should be of the form `/*paramName=*/value`. This potentially allows
tooling to check that the parameter names are correct, too.

[0]: https://google.github.io/styleguide/cppguide.html#Function_Argument_Comments

Bug: 245989146
Test: presubmit
Change-Id: I6239599692ada74438ebd8141adc05afacec915d
diff --git a/services/inputflinger/reader/mapper/JoystickInputMapper.cpp b/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
index 099a955..8a9ea75 100644
--- a/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/JoystickInputMapper.cpp
@@ -352,7 +352,7 @@
                                    MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
                                    &pointerProperties, &pointerCoords, 0, 0,
                                    AMOTION_EVENT_INVALID_CURSOR_POSITION,
-                                   AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {}));
+                                   AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /*videoFrames=*/{}));
     return out;
 }