Enable multidex in android box tests

compiler/android-tests/android-module/build.gradle

@@ -32,6 +32,7 @@ android {
         versionName "1.0"
         testApplicationId "org.jetbrains.kotlin.android.tests.gradle"
         testInstrumentationRunner "android.test.InstrumentationTestRunner"
+        multiDexEnabled true
     }
     buildTypes {
         debug {
@@ -67,9 +68,8 @@ android {
 
     dexOptions {
         dexInProcess false
-        javaMaxHeapSize "600m"
-        //default is 4 and Total Memory = maxProcessCount * javaMaxHeapSize
-        maxProcessCount 1
+        javaMaxHeapSize "1200m"
+        maxProcessCount 4
         additionalParameters "--debug"
     }
 }
@@ -91,4 +91,5 @@ tasks.withType(JavaCompile) {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     androidTestCompile 'junit:junit:4.12'
+    compile 'com.android.support:multidex:1.0.1'
 }