Update Ember's email

Test: N/A
Fix: 141939605
Change-Id: Icd9ae23a74175a98f8495f71c85b69891d387df0
Merged-In: Icd9ae23a74175a98f8495f71c85b69891d387df0
diff --git a/.mailmap b/.mailmap
new file mode 100644
index 0000000..40c295e
--- /dev/null
+++ b/.mailmap
@@ -0,0 +1 @@
+Ember Rose <emberrose@google.com> <ashleyrose@google.com>