Prepare for release 4.3.0-RC2.
MODIFY
CHANGELOG.md
CHANGELOG.md
Changelog
=========
+Version 4.3.0-RC2 (July 25th, 2017)
+==============================
+ * [New](https://github.com/segmentio/analytics-android/pull/536): Look up Advertising ID for Amazon Fire devices.
+ * [Fix](https://github.com/segmentio/analytics-android/pull/534): Attribution tracking using mobile service should be false by default.
+
Version 4.3.0-RC1 (May 10th, 2017)
==============================
* [New](https://github.com/segmentio/analytics-android/pull/515): Add Middlewares.

MODIFY
RELEASING.md
RELEASING.md
Releasing
-========
+=========
1. Change the version in `gradle.properties` to a non-SNAPSHOT version.
2. Update the `CHANGELOG.md` for the impending release.

MODIFY
gradle.properties
gradle.properties
GROUP=com.segment.analytics.android
VERSION_CODE=430
-VERSION_NAME=4.3.0-SNAPSHOT
+VERSION_NAME=4.3.0-RC2
POM_NAME=Segment for Android
POM_DESCRIPTION=The hassle-free way to add analytics to your Android app.

Prepare for release 4.3.0-RC2.