Add owner to Autofill and ContentCapture integration tests

Change-Id: Id6c5d6022942bfa7f34e4e25b96c650d0e07ddf1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2617123Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org>
Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Reviewed-by: Dominic Battré <battre@chromium.org>
Commit-Queue: Michael Bai <michaelbai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841572}

android_webview/javatests/src/org/chromium/android_webview/test/OWNERS

+# Autofill
+per-file AwAutofillTest.java=battre@chromium.org
+
+# ContentCapture
+per-file AwContentCaptureTest.java=file://components/content_capture/OWNERS
+
 # Networking/Network Service
 per-file AwNetworkConfigurationTest.java=file://android_webview/browser/network_service/OWNERS
 per-file SslPreferencesTest.java=file://android_webview/browser/network_service/OWNERS