4279 [camera_web] Update ultra high resolution to 4096x2160 (cla: yes, waiting for tree to go green, p: camera, platform-web)

4280 [camera_web] Mute the camera preview (cla: yes, waiting for tree to go green, p: camera, platform-web)

4282 [ci.yaml] Add linux platform properties (cla: yes, waiting for tree to go green)

4283 [ci.yaml] Add roller to presubmit (cla: yes, waiting for tree to go green)

4284 Fix UNNECESSARY_TYPE_CHECK_TRUE. (cla: yes, waiting for tree to go green, p: in_app_purchase, platform-ios, platform-android)

4288 [image_picker] add forceFullMetadata to interface (cla: yes, waiting for tree to go green, p: image_picker, platform-web)