Migrate power_supply_test.cpp from Gerrit to Google3.

Google-Bug-Id:548070242
PiperOrigin-RevId: 968146608
Change-Id: I8e06fb15b15826b6702906bd6b4968a41c185e99

gbmcweb

diff --git a/gbmcweb b/gbmcweb
index 4111a2a..451b7cb 160000
--- a/gbmcweb
+++ b/gbmcweb
@@ -1 +1 @@
-Subproject commit 4111a2a63862dea194c05a50d9c705af3b7db3db
+Subproject commit 451b7cbcd68174813c6cc2b0d2df03427de1d871