92630 Migrate to process 4.2.4 (a: tests, team, tool, framework, cla: yes, waiting for tree to go green)

92657 Fix a scrollbar crash bug (framework, f: scrolling, cla: yes, waiting for tree to go green)

92733 Add the exported attribute to the Flutter Gallery manifest (team, cla: yes, waiting for tree to go green, integration_test)

92738 Migrate emulators to null safety (tool, cla: yes, waiting for tree to go green, a: null-safety, tech-debt)

92745 Fix typo that is introduced in hotfix 2.5.x (a: text input, framework, f: material design, cla: yes)

92753 [gen_l10n] Add support for adding placeholders inside select (tool, cla: yes, waiting for tree to go green)