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Add support for earlier Android versions in platform_services example (#8621)

* Add support for earlier Android versions

* Addressed comments
S
Sarah Zakarias committed
f0e71cb15c55e941fafd24592c3fdf73448d6f50
Parent: cabd58d
Committed by GitHub <noreply@github.com> on 3/9/2017, 9:41:39 AM