[SetupWizardLib] Set up compat build

Set up a build flavor for v14 (ICS) compatibility.

Bug: 19664089
Change-Id: Iacd66c5756f5b9c8fa7dfce7a4c1cf2d41bddda6

library/build.gradle

@@ -1,6 +1,9 @@
 apply plugin: 'com.android.library'
 
 android {
+
+    publishNonDefault true
+
     sourceSets {
         main {
             manifest.srcFile 'AndroidManifest.xml'
@@ -8,5 +11,24 @@ android {
             resources.srcDirs = ['src']
             res.srcDirs = ['res']
         }
+
+        productFlavors {
+            // Platform version that will not include the compatibility libraries
+            platform {
+                minSdkVersion 21
+            }
+
+            // Compatibility build that provides the L layout for SDK versions ICS+
+            icsCompat {
+                minSdkVersion 14
+                dependencies {
+                    icsCompatCompile project(':support-appcompat-v7')
+                }
+            }
+        }
+
+        icsCompat {
+            res.srcDirs = ['res-ics']
+        }
     }
 }

library/res-ics/values/styles.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2015 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+
+<resources>
+</resources>

tools/gradle/settings.gradle

@@ -1,2 +1,13 @@
 include(':setup-wizard-lib')
 project(':setup-wizard-lib').projectDir = new File(rootDir, 'frameworks/opt/setupwizard/library')
+
+File supportLibsRoot = new File(rootDir, "prebuilts/fullsdk/linux/platforms/android-22/support")
+if (!supportLibsRoot.exists()) {
+    supportLibsRoot = new File(rootDir, "prebuilts/fullsdk/darwin/platforms/android-22/support")
+}
+
+include(':support-v4')
+project(':support-v4').projectDir = new File(supportLibsRoot, 'v4')
+
+include(':support-appcompat-v7')
+project(':support-appcompat-v7').projectDir = new File(supportLibsRoot, 'appcompat')