build: disable android.newDsl until keeper plugin is AGP9-compatible

Author: mikehardy

gradle.properties

@@ -29,4 +29,11 @@ org.gradle.configuration-cache.parallel=true
 org.gradle.vfs.watch=true
 
 # Enable Kotlin support for Android test fixtures
-android.experimental.enableTestFixturesKotlinSupport=true
+android.experimental.enableTestFixturesKotlinSupport=true
+
+# Keeper does not tolerate newDsl in AGP9 yet
+# it is fixed on a fork https://github.com/slackhq/keeper/pull/154#issuecomment-3921848493
+# ...but keeper looking for long-term home, AGP9 compatibility is currently unpublished
+# attempting to use the github maven repo package publish from that comment did not work initially
+# perhaps can vendor a compiled lib / local maven repository for that plugin
+android.newDsl=false