Edit version numers to sync up with RN

android/build.gradle

 apply plugin: 'com.android.library'
 
-def DEFAULT_COMPILE_SDK_VERSION             = 26
-def DEFAULT_BUILD_TOOLS_VERSION             = "26.0.1"
-def DEFAULT_TARGET_SDK_VERSION              = 26
-def DEFAULT_GOOGLE_PLAY_SERVICES_VERSION    = "18.+"
+def DEFAULT_COMPILE_SDK_VERSION             = 25
+def DEFAULT_BUILD_TOOLS_VERSION             = "25.0.2"
+def DEFAULT_TARGET_SDK_VERSION              = 25
+def DEFAULT_GOOGLE_PLAY_SERVICES_VERSION    = "11.+"
 
 android {
     compileSdkVersion project.hasProperty('compileSdkVersion') ? project.compileSdkVersion : DEFAULT_COMPILE_SDK_VERSION