Feature SDK versioning for caajainfeed.

[tkcizumi]

• Fix to always read the latest version of caajainfeed SDK.
• Change adspot code for example.

[lannka]

not sure what the CLA bot is doing. @tkcizumi can you try to submit an empty commit to wake it up?

[googlebot]

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[tkcizumi]

@lannka
Thank you.
I just pushed an empty commit.

[googlebot]

CLAs look good, thanks!