Android Extensions: Explicitly check if the Android plugin is enabled (EA-104651)

AndroidGradleOrderEnumerationHandler is defined in gradle.xml that doesn't depend on the Android plugin.
So we need to additionally check if the Android plugin is installed/enabled.

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

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.core
+
+import com.intellij.facet.FacetManager
+import com.intellij.openapi.module.Module
+
+fun Module.isAndroidModule(): Boolean {
+    val facets = FacetManager.getInstance(this).allFacets
+    return facets.any { it.javaClass.simpleName == "AndroidFacet" }
+}