Add apronin as an owner and new tpm_manager/OWNERS.

Bug: 33166666
Test: default build targets
Change-Id: I8194af19237987d201e227736dd02a98dc9444f1
diff --git a/attestation/OWNERS b/attestation/OWNERS
index bdac509..ebb4a01 100644
--- a/attestation/OWNERS
+++ b/attestation/OWNERS
@@ -1,3 +1,3 @@
 set noparent
+apronin@google.com
 dkrahn@google.com
-# namnguyen@chromium.org
diff --git a/tpm_manager/OWNERS b/tpm_manager/OWNERS
new file mode 100644
index 0000000..ebb4a01
--- /dev/null
+++ b/tpm_manager/OWNERS
@@ -0,0 +1,3 @@
+set noparent
+apronin@google.com
+dkrahn@google.com
diff --git a/trunks/OWNERS b/trunks/OWNERS
index 6e1baea..ebb4a01 100644
--- a/trunks/OWNERS
+++ b/trunks/OWNERS
@@ -1,3 +1,3 @@
 set noparent
+apronin@google.com
 dkrahn@google.com
-# usanghi@chromium.org