Localize dependencies

This CL changes lifecycles setup to use local prebuilts
instead of maven central.
It also adds ./localize.sh to download new dependencies
into prebuilts.

Change-Id: Iae8b5b62d61d7105081cc248f613b60b7229586a
diff --git a/lifecycle/extensions/build.gradle b/lifecycle/extensions/build.gradle
index 1bfa9e4..dad0ff4 100644
--- a/lifecycle/extensions/build.gradle
+++ b/lifecycle/extensions/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "25.0.0"
+    compileSdkVersion compile_sdk_version
+    buildToolsVersion build_tools_version
 
     defaultConfig {
-        minSdkVersion 14
-        targetSdkVersion 24
+        minSdkVersion min_sdk_version
+        targetSdkVersion target_sdk_version
         versionCode 1
         versionName "1.0"
 
@@ -26,6 +26,6 @@
 }
 dependencies {
     compile project(":runtime")
-    testCompile 'junit:junit:4.12'
-    testCompile "org.mockito:mockito-core:1.9.5"
+    testCompile "junit:junit:$junit_version"
+    testCompile "org.mockito:mockito-core:$mockito_version"
 }
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