Update tools/base versions for AGP 8.5 Koala Canary 7

Bug: b/336626096
Change-Id: I6f30567940c0d41d6476d87a8a48cb72c5f8d40e
diff --git a/common/release_version.bzl b/common/release_version.bzl
index ea62420..e84ad76 100644
--- a/common/release_version.bzl
+++ b/common/release_version.bzl
@@ -1,6 +1,6 @@
 #buildifier: disable=module-docstring
-BASE_VERSION = "31.5.0-alpha06"
-BUILD_VERSION = "8.5.0-alpha06"
+BASE_VERSION = "31.5.0-alpha07"
+BUILD_VERSION = "8.5.0-alpha07"
 COMMANDLINE_TOOLS_VERSION = "15.0-alpha01"
 
 # These are used for nightly releases