OpenJDK 11: Adding jdk.internal.reflect to allowed package list

As part of the migration to OpenJDK 11, sun.reflect has moved to
jdk.internal.reflect. For now we'll have both packages available
as new code uses the jdk.internal version.

Test: m
Bug: 188889082
Bug: 190791083
Change-Id: Ib03c9c8c346daebd7d97387817b506095f5ec693
diff --git a/scripts/check_boot_jars/package_allowed_list.txt b/scripts/check_boot_jars/package_allowed_list.txt
index 9aae2a9..b1b1e7e 100644
--- a/scripts/check_boot_jars/package_allowed_list.txt
+++ b/scripts/check_boot_jars/package_allowed_list.txt
@@ -71,6 +71,7 @@
 javax\.xml\.xpath
 jdk\.internal\.math
 jdk\.internal\.misc
+jdk\.internal\.reflect
 jdk\.internal\.util
 jdk\.internal\.vm\.annotation
 jdk\.net