21048 [web] Allow updating input configuration while connection is active (cla: yes, platform-web)

21057 Create an ImageHandle wrapper (cla: yes)

21059 Add a new raster status kSkipAndRetry frame (cla: yes, platform-android, platform-ios, waiting for tree to go green)

21062 Make drain() consistently asynchronous. (cla: yes, waiting for tree to go green)

21074 Roll Skia from fb5e0ebef07c to 0b6bf1c9668e (2 revisions) (cla: yes, waiting for tree to go green)

21076 add a line to build host for scenario tests (cla: yes, waiting for tree to go green)

21077 updating the documentation after integration_test migration (cla: yes)