Add OWNERS to animation test and add mount@ to animation library

Test: None, just an OWNERS file change
Change-Id: I1af6177dde3756bae9f4083ae78eed701ee63d36
diff --git a/core/java/android/animation/OWNERS b/core/java/android/animation/OWNERS
index f3b330a..5223c87 100644
--- a/core/java/android/animation/OWNERS
+++ b/core/java/android/animation/OWNERS
@@ -3,3 +3,4 @@
 romainguy@google.com
 tianliu@google.com
 adamp@google.com
+mount@google.com
diff --git a/core/tests/coretests/src/android/animation/OWNERS b/core/tests/coretests/src/android/animation/OWNERS
new file mode 100644
index 0000000..1eefb3a
--- /dev/null
+++ b/core/tests/coretests/src/android/animation/OWNERS
@@ -0,0 +1 @@
+include /core/java/android/animation/OWNERS