-l option soong_zip can accept a file having space separated list

-l option of soong_zip is used to specify the list of input files that
should be zipped. However, it only accepted newline-separated list in the
file. This prevented us from using a rspfile as paths in rspfile are
space-separated in a single line. Fixing the problem by splitting the
file content by any unicode whitespace character including newline and
space.

Test: zip_test
Change-Id: Iba572109e30c01540eacf20bd2794ba60c870fa3

zip/zip.go

@@ -145,7 +145,7 @@ func (b *FileArgsBuilder) List(name string) *FileArgsBuilder {
 	}
 
 	arg := b.state
-	arg.SourceFiles = strings.Split(string(list), "\n")
+	arg.SourceFiles = strings.Fields(string(list))
 	b.fileArgs = append(b.fileArgs, arg)
 	return b
 }