[7_0_X][TIMOB-25468] Android: Fix event source property

[garymathews]

• Cherry-pick of [TIMOB-25468] Android: Always include 'source' property with events #9643

JIRA Ticket

[build]

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📖	💾 Here's the generated SDK zipfile.

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[lokeshchdhry]

FR Passed.

According to @garymathews the errors (commented in the master PR) are due to soasta & not related to this PR. There will be another PR for it.

source property is included with the events.

Studio Ver: 5.0.0.201712081732
SDK Ver: 7.0.1 local build
OS Ver: 10.12.3
Xcode Ver: Xcode 8.3.3
Appc NPM: 4.2.11
Appc CLI: 7.0.0
Daemon Ver: 1.0.0
Ti CLI Ver: 5.0.14
Alloy Ver: 1.10.10
Node Ver: 8.9.1
Java Ver: 1.8.0_101
Devices: ⇨ google Nexus 5 --- Android 6.0.1
⇨ google Pixel --- Android 7.1.1