Merge changes I2407997f,I9386bd66,I6912df70,Iad2ab990,I5786a1ab, ...

* changes:
  gn2bp: Remove code for gen_version_module
  gn2bp: Remove code for proto_descriptor_module
  gn2bp: Remove code for gen_amalgamated_sql_metrics
  gn2bp: Remove TARGET in update_results.sh
  gn2bp: Remove unnecessary conversion for write_native_libraries_java.py
  gn2bp: Remove crbug_908819 related conversion
  gn2bp: Remove unnecessary conversion for grit action
  gn2bp: Remove unnecessary hack for build_config_gen