Enable hash verification for metalava builds

Generated with:
gradle --write-verification-metadata sha256 --export-keys

Test: ./gradlew -> passes
Change-Id: I6988a1ae8aacc93c885d0741b584a01099c0a25c
diff --git a/gradle.properties b/gradle.properties
index 04cb68f..853d69f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,5 +4,6 @@
 org.gradle.caching=true
 org.gradle.parallel=true
 org.gradle.vfs.watch=true
+org.gradle.dependency.verification.console=verbose
 kotlin.incremental=true
 kotlin.incremental.usePreciseJavaTracking=true