meta-google: Add ztai,nanzhou to owners and maintainers

Signed-off-by: Zhenfei Tai <ztai@google.com>
Change-Id: Iee9923313db08862a18eacb176d4be6c73373aed
diff --git a/meta-google/MAINTAINERS b/meta-google/MAINTAINERS
index a10fd3a..52bbc03 100644
--- a/meta-google/MAINTAINERS
+++ b/meta-google/MAINTAINERS
@@ -48,3 +48,5 @@
 M:  Ed Tanous <edtanous@google.com> <edtanous!>
 M:  Brandon Kim <brandonkim@google.com> <brandonk!>
 M:  Willy Tu <wltu@google.com> <wltu!>
+M:  Zhenfei Tai <ztai@google.com> <ztai!>
+M:  Nan Zhou <nanzhoumails@gmail.com> <fighternan!>
diff --git a/meta-google/OWNERS b/meta-google/OWNERS
index 4a63ee6..44cdb49 100644
--- a/meta-google/OWNERS
+++ b/meta-google/OWNERS
@@ -5,3 +5,5 @@
 - edtanous@google.com
 - brandonkim@google.com
 - wltu@google.com
+- ztai@google.com
+- nanzhoumails@gmail.com