Conduct non-functional refactoring for EventLogger

- Fixed all javadocs across the class to make them consistent to each
  other;
- Reordered modifiers where needed;
- String literal changed to reflect new name of the class.

Bug: b/243116883
Test: N/A
Change-Id: I27c2deb7d3bdf34bac45603221aaa4378450a999
1 file changed