77170 [flutter_tools] remove mocks from build_aar_test (cla: yes, tool, waiting for tree to go green)

77172 Support block delete with word and line modifiers (a: text input, cla: yes, framework, waiting for tree to go green)

77184 Store symlinks in package archive (cla: yes, team, waiting for tree to go green)

77186 use textdirection for gradient of ShapeDecoration (cla: yes, framework, waiting for tree to go green)

77192 Increase dart migrate integration test timeout (cla: yes, team, team: flakes, tool, waiting for tree to go green)

77194 [flutter_releases] Fix symlinks in prepare_packages script (a: tests, cla: yes, engine, f: cupertino, f: material design, framework, team, tool)