24513 Add some basic tests for evaluating expressions in flutter test (a: debugging, a: tests, cla: yes, tool)

24515 Add some a basic debug stepping tests (a: debugging, cla: yes, tool)

24527 obscureText and enableInteractiveSelection defaults (a: text input, cla: yes, framework)

24537 Add ipv6 and observatory port support to the attach command. (cla: yes, customer: dream (g3), tool)

24551 Add consumedScrollExtent to SliverConstraints as reported by Viewport (cla: yes, f: scrolling, framework)

24554 Adds force press gesture detector and recognizer (cla: yes, f: gestures, framework)

24580 Remove code signing special casing for Googlers round 2 (cla: yes, tool, ⌺‬ platform-ios)