Update SKP version to 122

Automatic commit by the RecreateSKPs bot.

TBR=

Review URL: https://codereview.chromium.org/647663002
diff --git a/SKP_VERSION b/SKP_VERSION
index 5a396e2..3fdc173 100644
--- a/SKP_VERSION
+++ b/SKP_VERSION
@@ -1 +1 @@
-121
\ No newline at end of file
+122
\ No newline at end of file