Version 2.17.0-266.7.beta

* Cherry-pick 557089ea5d784b9664b3e896795e81e8c580912e to beta
* Cherry-pick 7d8d3bb8078a3f0ce9a2a41f2120ff7db75ce0df to beta

tools/VERSION

diff --git a/tools/VERSION b/tools/VERSION
index caf2558..b1736d8 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 17
 PATCH 0
 PRERELEASE 266
-PRERELEASE_PATCH 5
\ No newline at end of file
+PRERELEASE_PATCH 7
\ No newline at end of file