Make android install instructions more explicit
Make android install instructions more explicit

Mounika-Chirukuri/deckard,seadowg/deckard-gradle,robolectric/deckard,vogellacompany/deckard-gradle,0359xiaodong/deckard,403462630/deckard-gradle-test,yjliugit/gradletest,WonderCsabo/deckard-gradle,sweetleon/android-sample-todo-list