Update config for r23 beta 2 (second CL)

Bug: http://b/181278783
Test: none
Change-Id: Ic21c2c9e01e4f808f6e66e4f725721e04ccd205f
(cherry picked from commit 765064a578c1a51939f63b4dff05d27b09e5fd37)
diff --git a/ndk/config.py b/ndk/config.py
index 3555414..3d95bae 100644
--- a/ndk/config.py
+++ b/ndk/config.py
@@ -4,9 +4,9 @@
 major = 23
 hotfix = 0
 hotfix_str = chr(ord('a') + hotfix) if hotfix else ''
-beta = 0
+beta = 2
 beta_str = '-beta{}'.format(beta) if beta > 0 else ''
-canary = True
+canary = False
 canary_str = '-canary' if canary else ''
 release = 'r{}{}{}{}'.format(major, hotfix_str, beta_str, canary_str)
 if __name__ == '__main__':