75039 add a benchmark test for stack size (cla: yes, team, waiting for tree to go green)

75044 Replace MockConfig with TestConfig (cla: yes, team, tool, waiting for tree to go green)

75053 Revert “Migrate some benchmarks to NNBD” (cla: yes, team)

75074 Reland integration_test NNBD (a: tests, cla: yes, framework, team)

75096 Grammatical mistake on pull request template (cla: yes, team)

75161 Revert “Migrate driver tests in example/ to NNBD” (cla: yes, d: examples, team)

75163 Avoid iOS local networking dialog in integration tests (cla: yes, platform-ios, team, waiting for tree to go green)