MAINTAINERS: Update KUnit email address for Rae Moar

Update Rae's email address for the KUnit entry. Also add an entry to
.mailmap to map former google email to current gmail address.

Signed-off-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

Author: rmr167

.mailmap

@@ -642,6 +642,7 @@ Qais Yousef <qyousef@layalina.io> <qais.yousef@arm.com>
 Quentin Monnet <qmo@kernel.org> <quentin.monnet@netronome.com>
 Quentin Monnet <qmo@kernel.org> <quentin@isovalent.com>
 Quentin Perret <qperret@qperret.net> <quentin.perret@arm.com>
+Rae Moar <raemoar63@gmail.com> <rmoar@google.com>
 Rafael J. Wysocki <rjw@rjwysocki.net> <rjw@sisk.pl>
 Rajeev Nandan <quic_rajeevny@quicinc.com> <rajeevny@codeaurora.org>
 Rajendra Nayak <quic_rjendra@quicinc.com> <rnayak@codeaurora.org>

MAINTAINERS

@@ -13601,7 +13601,7 @@ F:	fs/smb/server/
 KERNEL UNIT TESTING FRAMEWORK (KUnit)
 M:	Brendan Higgins <brendan.higgins@linux.dev>
 M:	David Gow <davidgow@google.com>
-R:	Rae Moar <rmoar@google.com>
+R:	Rae Moar <raemoar63@gmail.com>
 L:	linux-kselftest@vger.kernel.org
 L:	kunit-dev@googlegroups.com
 S:	Maintained