63786 Make SelectableText work better on web (a: text input, a: typography, cla: yes, framework, platform-web, waiting for tree to go green)

63794 Ignore/fix dead_code checks for weak-only null checks. (cla: yes, framework)

63816 bug fix for pointer id in test gestures (a: tests, cla: yes, framework, waiting for tree to go green)

63817 Fix some doc typo (a: tests, cla: yes, framework, waiting for tree to go green)

63833 SizeTransition sample code (a: animation, cla: yes, d: api docs, d: examples, documentation, framework, waiting for tree to go green)

63835 add vsync overhead to FrameTimingSummarizer (a: tests, cla: yes, framework, waiting for tree to go green)