Amend owners for Content Capture CTS.

Bug: 137575357
Test: # no code change
Change-Id: I0ed6ea16b3f39546cdcad2a2ec39f92a0694132c
diff --git a/tests/contentcaptureservice/OWNERS b/tests/contentcaptureservice/OWNERS
index 4df1ffa..595c93d 100644
--- a/tests/contentcaptureservice/OWNERS
+++ b/tests/contentcaptureservice/OWNERS
@@ -1,2 +1,4 @@
 # Bug component: 544200
-felipeal@google.com
\ No newline at end of file
+felipeal@google.com
+adamhe@google.com
+svetoslavganov@google.com
\ No newline at end of file