Keep build.gradle and react-native build.gradle in line

@https://github.com/facebook/react-native/blob/master/ReactAndroid/build.gradle

Author: crazycodeboy

android/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion "27.0.3"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 23
+        targetSdkVersion 22
         versionCode 1
         versionName "1.0"
     }
@@ -19,8 +19,8 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    testImplementation 'junit:junit:4.12'
-    implementation 'com.android.support:appcompat-v7:27.0.2'
-    implementation "com.facebook.react:react-native:+"  // From node_modules
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.0.1'
+    compile "com.facebook.react:react-native:+" // From node_modules
 }