[owners] adding more toplevel owners (but mainly me)

BUG=
NOTRY=true

Review URL: https://codereview.chromium.org/1800693002

Cr-Commit-Position: refs/heads/master@{#34823}

OWNERS

 adamk@chromium.org
+ahaas@chromium.org
 bmeurer@chromium.org
+cbruni@chromium.org
 danno@chromium.org
 epertoso@chromium.org
 hablich@chromium.org
@@ -10,10 +12,13 @@ jkummerow@chromium.org
 jochen@chromium.org
 littledan@chromium.org
 machenbach@chromium.org
-mlippautz@chromium.org
 marja@chromium.org
+mlippautz@chromium.org
 mstarzinger@chromium.org
 mvstanton@chromium.org
+mythria@chromium.org
+neis@chromium.org
+oth@chromium.org
 rmcilroy@chromium.org
 rossberg@chromium.org
 titzer@chromium.org