Adding binary files for platform_keys tests.

Was reviewed here: https://codereview.chromium.org/884073002/
Tried upload with CQ here https://codereview.chromium.org/927843002/
which didn't work.
Landing again with 'git cl land'.

BUG=450167
TBR=kaliamoorthi@chromium.org

Review URL: https://codereview.chromium.org/929723002

Cr-Commit-Position: refs/heads/master@{#316398}

chrome/test/data/extensions/api_test/platform_keys/client_1_issuer_dn.der

+01
0UB CA
\ No newline at end of file

chrome/test/data/extensions/api_test/platform_keys/data

+hello world
\ No newline at end of file

chrome/test/data/extensions/api_test/platform_keys/signature_nohash_pkcs

+jyd?^櫼dk|V#!pYo_n7J5
sjO9HTFrN q7эkex~9)s7`LբY[\ԧڠ|۞/#/=Ȫ&Tx+xx"ckWuW}49|ɆZ)VU߭'6`bubnwƸμJa(UQ䆲@[1E `o0Gqw]'M>*ډ
\ No newline at end of file