Update tools/ OWNERS to valid owners and remove noparent rule to allow for parent owners in cases where needed.

BUG=208667308

Change-Id: I74a607219f546d18127954bf961771394e4553ab
Merged-In: I74a607219f546d18127954bf961771394e4553ab
(cherry picked from commit 0fab999056bba21599928a64691e80c267c9641a)
diff --git a/tools/aapt2/OWNERS b/tools/aapt2/OWNERS
index f1903a5..13ba519 100644
--- a/tools/aapt2/OWNERS
+++ b/tools/aapt2/OWNERS
@@ -1,3 +1,3 @@
-set noparent
-toddke@google.com
-rtmitchell@google.com
\ No newline at end of file
+patb@google.com
+zyy@google.com
+chiuwinson@google.com
\ No newline at end of file