Changelog link is broken #420

Expected Behavior

In the README file:

Click here to view the Android SDK Changelog.

Clicking on here should redirect to the changelog.

Current Behavior

Clicking on here redirects to https://github.com/amplitude/Amplitude-Android.

Possible Solution

Steps to Reproduce

N/A

Environment

• SDK Version: N/A
• Android API Level: N/A
• Device: N/A