updated to 1.3.0-alpha4

Change-Id: I1d67276029b9eb2153c511135e95a2794b2387cc
diff --git a/base/version.gradle b/base/version.gradle
index 47fd01b..f016736 100644
--- a/base/version.gradle
+++ b/base/version.gradle
@@ -1,5 +1,5 @@
-project.ext.baseVersion = '24.3.0-alpha3'
-project.ext.buildVersion = '1.3.0-alpha3'
+project.ext.baseVersion = '24.3.0-alpha4'
+project.ext.buildVersion = '1.3.0-alpha4'
 
 // This counter should be incremented every time the api is changed in not backward-compatible way,
 // i.e. it should be incremented from N to N+1 only when the api is changed in a way that existing