But Java is still there. And Kotlin uses JVM. Android does not leverage on much of Java 8. People complain of Java's verbosity and yet Google does not push newer JVM. Since Android M, Android has been using OpenJDK, GPL-licensed, so the case between Oracle and Google should not matter in using newer JVM version.
(edit: misunderstanding from my part)
Read my comment again as to which I'm referring to when I said "should not matter".
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