Add a note about AGP 4.0.0

BUILDING.md

@@ -17,7 +17,7 @@ section below.
 
 To build Filament for Android you must also install the following:
 
-- Android Studio 3.6 or more recent
+- Android Studio 4.0 or more recent
 - Android SDK
 - Android NDK "side-by-side" 21 or higher
 

android/build.gradle

@@ -61,6 +61,7 @@ buildscript {
     ]
 
     dependencies {
+        // NOTE: Do not update to 4.0.0, there is a bug breaking our build, 4.0.1 will have a fix
         classpath 'com.android.tools.build:gradle:3.6.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${versions.kotlin}"
     }

android/buildSrc/build.gradle

@@ -0,0 +1,3 @@
+repositories {
+    mavenCentral()
+}