Enable R8 in the Gradle properties

Signed-off-by: Simone Arpe <[email protected]>

Author: simoarpe

example/android/gradle.properties

@@ -2,3 +2,4 @@ org.gradle.jvmargs=-Xmx1536M
 org.gradle.configureondemand=false
 android.useAndroidX=true
 android.enableJetifier=true
+android.enableR8=true