Update support lib in sample

Author: hitherejoe

sample/build.gradle

@@ -10,10 +10,8 @@ android {
         targetSdkVersion 25
         versionCode 1
         versionName "1.0"
-        multiDexEnabled true
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-
     }
+
     buildTypes {
         release {
             minifyEnabled false
@@ -25,6 +23,6 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile project(':buffertextinputlayout')
-    compile 'com.android.support:appcompat-v7:25.0.1'
+    compile 'com.android.support:appcompat-v7:25.1.0'
     testCompile 'junit:junit:4.12'
 }