updated build and manifest files

Author: codeanticode

studio/apps/arscene/build.gradle

@@ -2,7 +2,6 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 26
-    buildToolsVersion '27.0.3'
     defaultConfig {
         applicationId "processing.tests.vrcube"
         minSdkVersion 19

studio/apps/arscene/src/main/AndroidManifest.xml

@@ -4,7 +4,6 @@
           android:versionCode="1" 
           android:versionName="1.0" 
           package="arscene">
-    <uses-sdk android:minSdkVersion="24" android:targetSdkVersion="26"/>
     <uses-permission android:name="android.permission.CAMERA"/>
     <uses-feature android:name="android.hardware.camera.ar" android:required="true"/>
     <uses-feature android:glEsVersion="0x00020000" android:required="true"/>

studio/libs/processing-ar/build.gradle

@@ -2,7 +2,6 @@ apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 26
-    buildToolsVersion '27.0.3'
     defaultConfig {
         minSdkVersion 19
         targetSdkVersion 26