Use java 1.8

charts/build.gradle.kts

@@ -18,11 +18,11 @@ android {
         targetSdkVersion(AndroidConstants.targetSdkVersion)
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
-        targetCompatibility = JavaVersion.VERSION_11
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
     kotlinOptions {
-        jvmTarget = "11"
+        jvmTarget = "1.8"
     }
 }