refactor(@ngtools/webpack): allow paths plugin to update compiler options
refactor(@ngtools/webpack): allow paths plugin to update compiler options

This change allows the compiler options used by the TypeScript paths plugin to be updated if the TypeScript configuration file is changed during a rebuild.

angular/angular-cli,geofffilippi/angular-cli,angular/angular-cli,angular/angular-cli,Brocco/angular-cli,ocombe/angular-cli,Brocco/angular-cli,geofffilippi/angular-cli,ocombe/angular-cli,clydin/angular-cli,Brocco/angular-cli,geofffilippi/angular-cli,clydin/angular-cli,Brocco/angular-cli,ocombe/angular-cli,clydin/angular-cli,angular/angular-cli,catull/angular-cli,catull/angular-cli,Brocco/angular-cli,clydin/angular-cli,ocombe/angular-cli,catull/angular-cli,catull/angular-cli,geofffilippi/angular-cli,ocombe/angular-cli