Add estevenson@, tiborg@ as //chrome/android/BUILD.gn owners

Change-Id: If4da40d267aeb4a4ee8d099a95d502952abf6dc0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1761005
Commit-Queue: Tibor Goldschwendt <tiborg@chromium.org>
Commit-Queue: Yaron Friedman <yfriedman@chromium.org>
Auto-Submit: Tibor Goldschwendt <tiborg@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Reviewed-by: Eric Stevenson <estevenson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688189}

chrome/android/OWNERS

@@ -12,6 +12,9 @@ per-file java_sources.gni=*
 per-file chrome_java_sources.gni=*
 per-file chrome_test_java_sources.gni=*
 per-file chrome_junit_test_java_sources.gni=*
+
+per-file BUILD.gn=estevenson@chromium.org
+per-file BUILD.gn=tiborg@chromium.org
 # For VR Javatest changes
 per-file BUILD.gn=bsheedy@chromium.org