build: bump to AGP 4.0.0

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

build.gradle

@@ -8,7 +8,7 @@ allprojects {
 
 buildscript {
     ext {
-        agpVersion = '3.6.3'
+        agpVersion = '4.0.0'
         annotationsVersion = '1.1.0'
         appcompatVersion = '1.1.0'
         bintrayPluginVersion = '1.8.4'

ui/build.gradle

@@ -21,8 +21,8 @@ android {
         }
     }
     compileSdkVersion 29
-    dataBinding.enabled true
-    viewBinding.enabled true
+    buildFeatures.dataBinding = true
+    buildFeatures.viewBinding = true
     defaultConfig {
         applicationId 'com.wireguard.android'
         minSdkVersion 21