Set up OWNERS

Point to kernel/private/msm-google:OWNERS_pixelwatchbsp

Bug: 247160135
Change-Id: I7a360a1672ebf98d7eca3950941975107eafa393
Signed-off-by: Andrew Evans <andrewevans@google.com>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..b9361b0
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+file:kernel/private/msm-google:OWNERS_pixelwatchbsp