65787 Flutter Stable Framework Cherrypicks 1.20.4 (a: internationalization, cla: yes, d: examples, engine, f: material design, framework, team, tool)

65791 [ci] remove create offline tests (cla: yes, team, waiting for tree to go green)

65793 Match benchmark iOS project bundle identifiers (cla: yes, platform-ios, team)

65797 [flutter_tools] fix failure to create ansi spinner if download needs to be retired (cla: yes, tool)

65798 Collect memory metrics (cla: yes, team, waiting for tree to go green)

65799 Updated references to obsolete Material button classes in benchmarks/test_apps/stocks (cla: yes, team, waiting for tree to go green)