* refactor: Remove checks for PointerEvent support.
* refactor: Deprecate and remove calls to splitEventByTouches.
* refactor: Deprecate and remove calls to setClientFromTouch().
* refactor: Use PointerEvent in place of Event/MouseEvent/TouchEvent/PseudoEvent.
* refactor: Update references to mouse/touch events in code and documentation to reference pointer events.
* refactor: Merge Gesture and TouchGesture
* chore: clang-format changed files
* refactor: Bind and expect PointerEvents instead of MouseEvents.
* refactor: Rename TouchGesture to Gesture.
* fix: Fix test failures.
* chore: clang-format changed files.
* fix: Fix errant _ from merging
* refactor: Clean up dead code in browser_events.ts.
* chore: Update version in deprecation notices to reflect release schedule
* fix: Fixed a bug that caused the browser context menu to not be suppressed in Chrome.
* fix: Re-export Gesture as TouchGesture for backwards compatibility.
* refactor: Deprecate and remove uses of opt_noPreventDefault.
* chore: Fix error message in gesture.ts.
* chore: Removed obsolete todo.