Simple cap by including sysvars and native programs (#13884)

* Simpler cap by including sysvars and native programs

* Fix tests

* Add comment

* revert some unrelated code

* Update test_bank_update_sysvar_account for cap.

* Test cap. for add_native_program using new helper

* Improve the cap adjustment with new tests

* Fix typo...

* Adjust test for improved code coverage

* Rename simpler_capitalization => simple_capitalization

* More rename and bonus commenting

sdk/src/feature_set.rs

@@ -98,6 +98,10 @@ pub mod filter_stake_delegation_accounts {
     solana_sdk::declare_id!("GE7fRxmW46K6EmCD9AMZSbnaJ2e3LfqCZzdHi9hmYAgi");
 }
 
+pub mod simple_capitalization {
+    solana_sdk::declare_id!("9r69RnnxABmpcPFfj1yhg4n9YFR2MNaLdKJCC6v3Speb");
+}
+
 lazy_static! {
     /// Map of feature identifiers to user-visible description
     pub static ref FEATURE_NAMES: HashMap<Pubkey, &'static str> = [
@@ -124,6 +128,7 @@ lazy_static! {
         (stake_program_v2::id(), "solana_stake_program v2"),
         (rewrite_stake::id(), "rewrite stake"),
         (filter_stake_delegation_accounts::id(), "filter stake_delegation_accounts #14062"),
+        (simple_capitalization::id(), "simple capitalization"),
         /*************** ADD NEW FEATURES HERE ***************/
     ]
     .iter()