Reland "Update kotlin tests to take in test parameters" and kotlin 1.4.20

This reverts commit d544e64d7b00c8a6dcc45cf0a66cd232cd1f8ced.

Bug: 174292935
Change-Id: I7fe3e240cf9ab73d6ba1884090ecad0700cc5215
diff --git a/build.gradle b/build.gradle
index 121279f..09bd946 100644
--- a/build.gradle
+++ b/build.gradle
@@ -337,6 +337,7 @@
                 "kotlin/kotlin-compiler-1.3.11",
                 "kotlin/kotlin-compiler-1.3.41",
                 "kotlin/kotlin-compiler-1.3.72",
+                "kotlin/kotlin-compiler-1.4.20",
                 "kotlinx-coroutines-1.3.6",
                 "openjdk/openjdk-rt-1.8",
                 "openjdk/desugar_jdk_libs",