Upgrade gradle's and libs

[ibrahimAlii]

In this commit I've updated:

• com.google.ar:core to version 1.6.0 which require to call mSession.resume() inside try & catch block, which is more safer.
• support libs & target sdk
• gradle.properties version to version 4.10

In next commit will migrate project to $kotlin.

[ivannggnnavi]

Gwgw

[ivannggnnavi]

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