Error while publishing symbols during official build

[eerhardt]

See the error here: https://devdiv.visualstudio.com/DevDiv/_build/results?buildId=3186964

E:\A\_work\718\s\packages\microsoft.symboluploader.build.task\1.0.0-beta-62824-02\build\PublishSymbols.targets(29,7): warning : Invalid file type: LICENSE [E:\A\_work\718\s\build\publish.proj]
  Processing input package E:\A\_work\718\s\bin\packages\Microsoft.ML.CodeGenerator.symbols.0.16.0-preview3-28228-1.nupkg
  Converting portable PDB lib/netstandard2.0/Microsoft.ML.CodeGenerator.pdb to Windows
##[error]packages\microsoft.symboluploader.build.task\1.0.0-beta-62824-02\build\PublishSymbols.targets(29,7): Error : PDB0021: Document name doesn't match any pattern in Source Link: 'C:\CodeHub\machinelearning\src\Microsoft.ML.CodeGenerator\Templates\Console\ConsumeModel.tt'
E:\A\_work\718\s\packages\microsoft.symboluploader.build.task\1.0.0-beta-62824-02\build\PublishSymbols.targets(29,7): error : PDB0021: Document name doesn't match any pattern in Source Link: 'C:\CodeHub\machinelearning\src\Microsoft.ML.CodeGenerator\Templates\Console\ConsumeModel.tt' [E:\A\_work\718\s\build\publish.proj]
##[error]packages\microsoft.symboluploader.build.task\1.0.0-beta-62824-02\build\PublishSymbols.targets(29,7): Error : PDB0021: Document name doesn't match any pattern in Source Link: 'C:\CodeHub\machinelearning\src\Microsoft.ML.CodeGenerator\Templates\Console\Annotation.ttinclude'
E:\A\_work\718\s\packages\microsoft.symboluploader.build.task\1.0.0-beta-62824-02\build\PublishSymbols.targets(29,7): error : PDB0021: Document name doesn't match any pattern in Source Link: 'C:\CodeHub\machinelearning\src\Microsoft.ML.CodeGenerator\Templates\Console\Annotation.ttinclude' [E:\A\_work\718\s\build\publish.proj]

To fix this, we should be putting linePragmas="false" in the .tt files:

<#@ template language="C#" linePragmas="false" #>