Version bump to alpha04

Test: none needed
Bug: none
Change-Id: If3695e67af46d65cc58f2aaf79ebe203e688c845
diff --git a/libraryversions.toml b/libraryversions.toml
index 193b002..9377182 100644
--- a/libraryversions.toml
+++ b/libraryversions.toml
@@ -74,7 +74,7 @@
 MEDIA = "1.7.0-alpha01"
 MEDIA2 = "1.3.0-alpha01"
 MEDIAROUTER = "1.4.0-alpha01"
-METRICS = "1.0.0-alpha03"
+METRICS = "1.0.0-alpha04"
 NAVIGATION = "2.6.0-alpha01"
 PAGING = "3.2.0-alpha02"
 PAGING_COMPOSE = "1.0.0-alpha16"