Upgrade to Kotlin 1.6.20 am: eec852ef00 am: 59c6bf5479 am: 7e8851f48c

Original change: https://android-review.googlesource.com/c/platform/tools/metalava/+/2056767

Change-Id: I4419e65c38bef458640c0d340cfb4faa702e891e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index eefafb0..00069ce 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "1.6.10"
+kotlin = "1.6.20"
 
 [libraries]
 kotlinStdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib-jdk8", version.ref = "kotlin" }
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 7f3d40d..9d8b8c6 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -155,9 +155,9 @@
             <sha256 value="310a6aa2d90534c32b8f46f1fc98cd0edae95dcdfca23e2847e5efa9ae0c019a" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="org.jetbrains.kotlin.jvm" name="org.jetbrains.kotlin.jvm.gradle.plugin" version="1.6.10">
-         <artifact name="org.jetbrains.kotlin.jvm.gradle.plugin-1.6.10.pom">
-            <sha256 value="8310d2fcef13de0eb531fad057dd278020b02f9660a271e9f9455a0eeebc18a0" origin="Generated by Gradle"/>
+      <component group="org.jetbrains.kotlin.jvm" name="org.jetbrains.kotlin.jvm.gradle.plugin" version="1.6.20">
+         <artifact name="org.jetbrains.kotlin.jvm.gradle.plugin-1.6.20.pom">
+            <sha256 value="eb30990a12cace57fd1e2c0484fe482e0cdb9ba680e4b15996d9324495638903" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="org.mockito" name="mockito-core" version="3.4.6">