Explicit init .rc user.

Set the user explicitly.

Bug: 276813155
Test: boot
Change-Id: I34148dc2134da6ac09a5f9adfafef26770619e21
diff --git a/selftest/boringssl_self_test.rc b/selftest/boringssl_self_test.rc
index dc08111..18e99ad 100644
--- a/selftest/boringssl_self_test.rc
+++ b/selftest/boringssl_self_test.rc
@@ -8,8 +8,10 @@
     setenv BORINGSSL_SELF_TEST_CREATE_FLAG true # Any nonempty value counts as true
     reboot_on_failure reboot,boringssl-self-check-failed
     stdio_to_kmsg
+    user root
 
 service boringssl_self_test64_vendor /vendor/bin/boringssl_self_test64
     setenv BORINGSSL_SELF_TEST_CREATE_FLAG true # Any nonempty value counts as true
     reboot_on_failure reboot,boringssl-self-check-failed
     stdio_to_kmsg
+    user root