feat(gradle): Bump COMPILE_SDK_VERSION to 27. (#119)

* feat(gradle): Bump COMPILE_SDK_VERSION to 27.

Author: Enuviel

AndroidSDK/build.gradle

@@ -2,9 +2,9 @@ apply plugin: 'com.android.library'
 apply plugin: 'com.jfrog.artifactory'
 apply plugin: 'maven-publish'
 
-def COMPILE_SDK_VERSION=26
-def BUILD_TOOLS_VERSION='26.0.2'
-def SUPPORT_LIBRARY_VERSION='27.0.0'
+def COMPILE_SDK_VERSION=27
+def BUILD_TOOLS_VERSION='27.0.1'
+def SUPPORT_LIBRARY_VERSION='27.0.1'
 
 allprojects {
     gradle.projectsEvaluated {

AndroidSDKTests/build.gradle

@@ -1,8 +1,8 @@
 apply plugin: 'com.android.application'
 
-def COMPILE_SDK_VERSION=26
-def BUILD_TOOLS_VERSION='26.0.2'
-def SUPPORT_LIBRARY_VERSION='27.0.0'
+def COMPILE_SDK_VERSION=27
+def BUILD_TOOLS_VERSION='27.0.1'
+def SUPPORT_LIBRARY_VERSION='27.0.1'
 
 android {
     compileSdkVersion COMPILE_SDK_VERSION