react-native run-android : buildToolsVersion "23.0.1" is ignored

c:\Users\lenger\Desktop\webrowser>git diff android/build.gradle

diff --git a/android/build.gradle b/android/build.gradle index eed9972..c5fecab 100644 --- a/android/build.gradle +++ b/android/build.gradle @@ -5,7 +5,7 @@ buildscript {          jcenter()      }      dependencies { -        classpath 'com.android.tools.build:gradle:2.2.3' +        classpath 'com.android.tools.build:gradle:3.0.1'           // NOTE: Do not place your application dependencies here; they belong          // in the individual module build.gradle files 

c:\Users\lenger\Desktop\webrowser>git diff android/app/build.gradle

diff --git a/android/app/build.gradle b/android/app/build.gradle index b589c49..b20457c 100644 --- a/android/app/build.gradle +++ b/android/app/build.gradle @@ -95,7 +95,6 @@ def enableProguardInReleaseBuilds = false   android {      compileSdkVersion 23 -    buildToolsVersion "23.0.1"       defaultConfig {          applicationId "com.webrowser"