Add bialpio@ to OWNERS of xr-related directories

Change-Id: I735de5c7f56cad4fec89dd3033ad6748a875ebee
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1575360
Commit-Queue: Piotr Bialecki <bialpio@chromium.org>
Auto-Submit: Piotr Bialecki <bialpio@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Reviewed-by: Bill Orr <billorr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652617}
diff --git a/chrome/browser/android/vr/arcore_device/OWNERS b/chrome/browser/android/vr/arcore_device/OWNERS
index 25a82d9..efd7758 100644
--- a/chrome/browser/android/vr/arcore_device/OWNERS
+++ b/chrome/browser/android/vr/arcore_device/OWNERS
@@ -1,8 +1,7 @@
+bialpio@chromium.org
 billorr@chromium.org
 ddorwin@chromium.org
 klausw@chromium.org
-mthiesse@chromium.org
-vollick@chromium.org
 
 # TEAM: xr-dev@chromium.org
 # COMPONENT: Blink>WebXR>AR
diff --git a/device/vr/OWNERS b/device/vr/OWNERS
index 1638f07..5fbbb06 100644
--- a/device/vr/OWNERS
+++ b/device/vr/OWNERS
@@ -1,6 +1,6 @@
 bajones@chromium.org
+bialpio@chromium.org
 billorr@chromium.org
-mthiesse@chromium.org
 
 per-file *.mojom=set noparent
 per-file *.mojom=file://ipc/SECURITY_OWNERS
diff --git a/third_party/arcore-android-sdk/OWNERS b/third_party/arcore-android-sdk/OWNERS
index 4fd5be3..d9b8c27 100644
--- a/third_party/arcore-android-sdk/OWNERS
+++ b/third_party/arcore-android-sdk/OWNERS
@@ -1,5 +1,5 @@
+bialpio@chromium.org
 ddorwin@chromium.org
-vollick@chromium.org
 
 # TEAM: xr-dev@chromium.org
 # COMPONENT: Internals>XR>AR
diff --git a/third_party/webxr_test_pages/OWNERS b/third_party/webxr_test_pages/OWNERS
index 70eb3fa..58b4c46 100644
--- a/third_party/webxr_test_pages/OWNERS
+++ b/third_party/webxr_test_pages/OWNERS
@@ -1,4 +1,5 @@
 bajones@chromium.org
+bialpio@chromium.org
 billorr@chromium.org
 klausw@chromium.org