LGTM fails on Android Build-tools 30

**Description of the issue**

An extension of #2608

https://lgtm.com/projects/g/aws-amplify/amplify-android/logs/languages/lang:java

```
[2020-10-14 09:25:24] [autobuild] > Failed to install the following SDK components:
[2020-10-14 09:25:24] [autobuild] build-tools;30.0.2 Android SDK Build-Tools 30.0.2
[2020-10-14 09:25:24] [autobuild] platforms;android-30 Android SDK Platform 30
```