[skip ci] Bump release version to v0.19.0-rc.1

GitOrigin-RevId: 0ea9d40a8a96c9d2c732cf48c7f792936a60bc5d

Author: snpefk

gradle.properties

@@ -1,5 +1,5 @@
 VERSION_NAME=11.20.0-SNAPSHOT-02-12--05-00.git-401c129
-LAST_STABLE_VERSION=11.19.0-beta.1
+LAST_STABLE_VERSION=11.19.0-rc.1
 # version name for the test app
 TEST_APP_VERSION_NAME=0.1.0