Fix board_api_level comments and implementation

We accidentally ignored board_api_level property on aosp/3252595. Fix
it.

Also this cleans up the unnecessary default module
se_policy_conf_public_flags_defaults.

Bug: 358516352
Test: TH
Change-Id: I786cae0b12d2629d26ce4335866df364c218b6d0
diff --git a/Android.bp b/Android.bp
index dc6761c..9aef25e 100644
--- a/Android.bp
+++ b/Android.bp
@@ -146,7 +146,7 @@
 // policy and subsequent removal of CIL policy that should not be exported.
 se_policy_conf {
     name: "reqd_policy_mask.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: reqd_mask_policy,
     installable: false,
 }
@@ -182,7 +182,7 @@
 //
 se_policy_conf {
     name: "pub_policy.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: plat_public_policy +
         system_ext_public_policy +
         product_public_policy +
@@ -202,7 +202,7 @@
 
 se_policy_conf {
     name: "system_ext_pub_policy.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: plat_public_policy +
         system_ext_public_policy +
         reqd_mask_policy,
@@ -221,7 +221,7 @@
 
 se_policy_conf {
     name: "plat_pub_policy.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: plat_public_policy +
         reqd_mask_policy,
     installable: false,
@@ -410,7 +410,7 @@
 // policy and the platform public policy files in order to use checkpolicy.
 se_policy_conf {
     name: "vendor_sepolicy.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: plat_public_policy +
         system_ext_public_policy +
         product_public_policy +
@@ -452,7 +452,7 @@
 // policy and the platform public policy files in order to use checkpolicy.
 se_policy_conf {
     name: "odm_sepolicy.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: plat_public_policy +
         system_ext_public_policy +
         product_public_policy +
@@ -793,7 +793,7 @@
 
 se_policy_conf {
     name: "base_plat_pub_policy.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: plat_public_policy +
         reqd_mask_policy,
     build_variant: "user",
@@ -813,7 +813,7 @@
 
 se_policy_conf {
     name: "base_product_pub_policy.conf",
-    defaults: ["se_policy_conf_public_flags_defaults"],
+    defaults: ["se_policy_conf_flags_defaults"],
     srcs: plat_public_policy +
         system_ext_public_policy +
         product_public_policy +