20279 use generic name (cla: yes)

20280 Reporting back native stacktrace to dart side for crash reporting. (cla: yes, platform-android, waiting for tree to go green)

20283 Use weak references instead of resurrection, if available (cla: yes)

20288 Create scenic session with view focuser (cla: yes)

20302 Revert “fuchsia: Remove dead code / break dependencies” (cla: yes)

20303 android_external_texture: Use the available GrDirectContext arg (cla: yes, platform-android)

20306 Implement our own WebGL version detection (cla: yes)

20310 fix clipped and transformed content in HTML clip (cla: yes)

20315 Add script to compile JIT on x86 (cla: yes)