Update built tools to latest

app/build.gradle

@@ -1,14 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.2'
+    compileSdkVersion 26
+    buildToolsVersion '26.0.1'
 
     defaultConfig {
-        minSdkVersion 3
-        targetSdkVersion 25
-        versionCode 36
-        versionName '4.3'
+        minSdkVersion 14
+        targetSdkVersion 26
+        versionCode 37
+        versionName '5.0'
     }
 
     lintOptions {
@@ -36,5 +36,5 @@ android {
 
 dependencies {
     testCompile 'junit:junit:4.12'
-    testCompile 'org.robolectric:robolectric:3.0'
+    testCompile 'org.robolectric:robolectric:3.4.2'
 }