Ownership of input_ime.json given to ime/OWNERS

Missed giving ime/OWNERS access to input_ime.json.

Updated to include that file.

crrev/c/1918783

Change-Id: I2b09e1d3149e140f0c1c3fdf53e54e89975e3fd3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1923221Reviewed-by: Devlin <rdevlin.cronin@chromium.org>
Reviewed-by: Keith Lee <keithlee@chromium.org>
Commit-Queue: Keith Lee <keithlee@chromium.org>
Auto-Submit: Keith Lee <keithlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#716901}

chrome/common/extensions/api/OWNERS

@@ -4,6 +4,7 @@ per-file *.idl=set noparent
 per-file *.json=file://extensions/common/api/API_OWNERS
 per-file *.idl=file://extensions/common/api/API_OWNERS
 
+per-file input_ime.json=file://ui/base/ime/OWNERS
 per-file input_method_private.json=file://ui/base/ime/OWNERS
 per-file webview*.json=file://components/guest_view/OWNERS