Bug 1381577 - Part H; Upload Symbols for win32. r=kmoir

Land date changes to support windows nightlies onto central

MozReview-Commit-ID: HadAf7tPTQJ

--HG--
extra : rebase_source : ba4fc31de6bc28ac547ab06cd84b8dd18c2a1199

taskcluster/ci/upload-symbols/kind.yml

@@ -23,6 +23,7 @@ only-for-build-platforms:
     - android-x86-nightly/opt
     - android-x86-old-id-nightly/opt
     - macosx64-nightly/opt
+    - win32-nightly/opt
     - win64-nightly/opt
 
 job-template: