Consolidate input OWNERS files

Make all input OWNERS file point to frameworks/base/INPUT_OWNERS.

Bug: None
Test: upload
Change-Id: I8d6e10585faf7b83cef74cb3a0313c1d8f28efb4
diff --git a/tools/validatekeymaps/OWNERS b/tools/validatekeymaps/OWNERS
index 0313a40..4c20c4d 100644
--- a/tools/validatekeymaps/OWNERS
+++ b/tools/validatekeymaps/OWNERS
@@ -1,2 +1 @@
-michaelwr@google.com
-svv@google.com
+include /INPUT_OWNERS