update build-tools used to build the test-app and android runtime to version 25.0.2

Author: petekanev

README.md

@@ -24,7 +24,7 @@ The source in this repo is organized in Android Studio projects.
 * Install Android API Level 22 from Android Studio -> Tools -> Android -> SDK Manager
 * Install the Android NDK from Android Studio -> Tools -> Android -> SDK Manager
 * Download Android Support Repository through the Android SDK Manager
-* Download Build Tools 22 through the Android SDK Manager.
+* Download Build Tools 25.0.2 through the Android SDK Manager.
 
 # How to build
 

runtime/build.gradle

@@ -192,7 +192,7 @@ if (!ndkDebuggable)
 }
 
 
-project.ext._buildToolsVersion = "23.0.3"
+project.ext._buildToolsVersion = "25.0.2"
 
 model {
     android {

test-app/app/build.gradle

@@ -16,7 +16,7 @@ def runOnDeviceOrEmulator = runOnDevice ? "-d" : "-e";
 model {
     android {
         compileSdkVersion = 23
-        buildToolsVersion = "23.0.3"
+        buildToolsVersion = "25.0.2"
 
         defaultConfig.with {
             applicationId = "com.tns.android_runtime_testapp"