Bump version to 1.16.0-dev

BUILD

@@ -64,11 +64,11 @@ config_setting(
 )
 
 # This should be updated along with build.yaml
-g_stands_for = "glider"
+g_stands_for = "gao"
 
 core_version = "6.0.0-dev"
 
-version = "1.15.0-dev"
+version = "1.16.0-dev"
 
 GPR_PUBLIC_HDRS = [
     "include/grpc/support/alloc.h",

build.yaml

@@ -13,8 +13,8 @@ settings:
   '#09': Per-language overrides are possible with (eg) ruby_version tag here
   '#10': See the expand_version.py for all the quirks here
   core_version: 6.0.0-dev
-  g_stands_for: glider
-  version: 1.15.0-dev
+  g_stands_for: gao
+  version: 1.16.0-dev
 filegroups:
 - name: alts_proto
   headers:

doc/g_stands_for.md

@@ -14,4 +14,5 @@
 - 1.12 'g' stands for ['glorious'](https://github.com/grpc/grpc/tree/v1.12.x)
 - 1.13 'g' stands for ['gloriosa'](https://github.com/grpc/grpc/tree/v1.13.x)
 - 1.14 'g' stands for ['gladiolus'](https://github.com/grpc/grpc/tree/v1.14.x)
-- 1.15 'g' stands for ['glider'](https://github.com/grpc/grpc/tree/master)
+- 1.15 'g' stands for ['glider'](https://github.com/grpc/grpc/tree/v1.15.x)
+- 1.16 'g' stands for ['gao'](https://github.com/grpc/grpc/tree/master)