Supported excluded packages/classes in auto-import quick fix.

#KT-2413 in progress

idea/idea-core/src/org/jetbrains/kotlin/idea/core/KotlinIndicesHelper.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.idea.core
 
+import com.intellij.codeInsight.CodeInsightSettings
 import com.intellij.openapi.project.Project
 import com.intellij.psi.search.GlobalSearchScope
 import com.intellij.psi.stubs.StringStubIndexExtension
@@ -198,3 +199,10 @@ public class KotlinIndicesHelper(
                 .filter { it.getExtensionReceiverParameter() == null }
     }
 }
+
+public fun isInExcludedPackage(descriptor: DeclarationDescriptor): Boolean {
+    val fqName = DescriptorUtils.getFqName(descriptor).asString()
+
+    return CodeInsightSettings.getInstance().EXCLUDED_PACKAGES
+            .any { excluded -> fqName == excluded || fqName.startsWith(excluded + ".") }
+}