19427 Synthesize touch events for hybrid views (cla: yes, platform-android)

19428 generate package config during runhooks (cla: yes)

19429 Roll Skia from 746460e25a1e to 1e6460d552f7 (8 revisions) (cla: yes, waiting for tree to go green)

19434 Roll Skia from 1e6460d552f7 to 492558a10db6 (2 revisions) (cla: yes, waiting for tree to go green)

19435 Revert unintended change (cla: yes, platform-android, waiting for tree to go green)