Update API 34 release config and emulator files for UDC Beta4

Bug: 289293448
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:9772721883a3bc1f254c78841278b3478f94605f)
Merged-In: Iccd86693424572eaf003fda9600ba7293b08a8f4
Change-Id: Iccd86693424572eaf003fda9600ba7293b08a8f4
diff --git a/sdk/plat_tools_source.prop_template b/sdk/plat_tools_source.prop_template
index 257b954..779c925 100644
--- a/sdk/plat_tools_source.prop_template
+++ b/sdk/plat_tools_source.prop_template
@@ -1,2 +1,2 @@
 Pkg.UserSrc=false
-Pkg.Revision=34.0.3
+Pkg.Revision=34.0.4