Report compressed/uncompressed size of icudtl, snapshots, and libflutter (#18583)
Report compressed/uncompressed size of icudtl, snapshots, and libflutter (#18583)

Reported for the hello_world compile benchmark in devicelab for now.
cbracken/flutter,cbracken/flutter,tvolkert/flutter,flutter/flutter,flutter/flutter,cbracken/flutter,flutter/flutter,tvolkert/flutter,flutter/flutter,Hixie/flutter,tvolkert/flutter,Hixie/flutter,cbracken/flutter,tvolkert/flutter,Hixie/flutter,flutter/flutter,Hixie/flutter,cbracken/flutter,Hixie/flutter,cbracken/flutter,cbracken/flutter,tvolkert/flutter,Hixie/flutter,tvolkert/flutter,flutter/flutter,Hixie/flutter,cbracken/flutter,flutter/flutter,Hixie/flutter,tvolkert/flutter,cbracken/flutter,tvolkert/flutter,Hixie/flutter,flutter/flutter,tvolkert/flutter,tvolkert/flutter,Hixie/flutter,cbracken/flutter,flutter/flutter,flutter/flutter