Temporarily use `melix/perf-android-medium`
Temporarily use `melix/perf-android-medium`

This commit changes the URL and branch of the `mediumAndroidBuild` perf test to use
`melix/perf-android-medium` because it is not possible to build from `gradle/perf-android-medium` master
branch and the `cc-gradle-profile` branch has been deleted.

lsmaira/gradle,robinverduijn/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,gstevey/gradle,lsmaira/gradle,blindpirate/gradle,lsmaira/gradle,gstevey/gradle,gstevey/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,gstevey/gradle,lsmaira/gradle,lsmaira/gradle,robinverduijn/gradle,robinverduijn/gradle,gstevey/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,lsmaira/gradle,gstevey/gradle,gstevey/gradle,robinverduijn/gradle,gradle/gradle,lsmaira/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,gstevey/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,gstevey/gradle,gradle/gradle,blindpirate/gradle,lsmaira/gradle,lsmaira/gradle,lsmaira/gradle