Make the DICE HAL a bootstrap process

This HAL starts before APEXs are activated so needs access to the
bootstrap bionic libraries.

Bug: 214231981
Test: run microdroid
Change-Id: If82729eb2eff812916f257d24ce206e371be0c56
diff --git a/microdroid/vendor/hal_dice_default.te b/microdroid/vendor/hal_dice_default.te
index 832e717..1508427 100644
--- a/microdroid/vendor/hal_dice_default.te
+++ b/microdroid/vendor/hal_dice_default.te
@@ -3,3 +3,7 @@
 
 type hal_dice_default_exec, exec_type, vendor_file_type, file_type;
 init_daemon_domain(hal_dice_default)
+
+# hal_dice_default is using bootstrap bionic
+allow hal_dice_default system_bootstrap_lib_file:dir r_dir_perms;
+allow hal_dice_default system_bootstrap_lib_file:file { execute read open getattr map };