aconfig: add new testing flag enabled_fixed_ro_exported

This commit adds a new testing flag enabled_fixed_ro_exported to test
the case of a exported and fixed_read_only flag.

Test: atest aconfig.test aconfig.test.java AconfigJavaHostTest
aconfig.test.cpp aconfig.test.cpp.test_mode aconfig.prod_mode.test.rust
Bug: 316357680

Change-Id: Iaedb8a6875166c6a6d24c7c3deee701a496b4964

tools/aconfig/src/codegen/rust.rs

@@ -153,6 +153,11 @@ impl FlagProvider {
         true
     }
 
+    /// query flag enabled_fixed_ro_exported
+    pub fn enabled_fixed_ro_exported(&self) -> bool {
+        true
+    }
+
     /// query flag enabled_ro
     pub fn enabled_ro(&self) -> bool {
         true
@@ -202,6 +207,12 @@ pub fn enabled_fixed_ro() -> bool {
     true
 }
 
+/// query flag enabled_fixed_ro_exported
+#[inline(always)]
+pub fn enabled_fixed_ro_exported() -> bool {
+    true
+}
+
 /// query flag enabled_ro
 #[inline(always)]
 pub fn enabled_ro() -> bool {
@@ -302,6 +313,18 @@ impl FlagProvider {
         self.overrides.insert("enabled_fixed_ro", val);
     }
 
+    /// query flag enabled_fixed_ro_exported
+    pub fn enabled_fixed_ro_exported(&self) -> bool {
+        self.overrides.get("enabled_fixed_ro_exported").copied().unwrap_or(
+            true
+        )
+    }
+
+    /// set flag enabled_fixed_ro_exported
+    pub fn set_enabled_fixed_ro_exported(&mut self, val: bool) {
+        self.overrides.insert("enabled_fixed_ro_exported", val);
+    }
+
     /// query flag enabled_ro
     pub fn enabled_ro(&self) -> bool {
         self.overrides.get("enabled_ro").copied().unwrap_or(
@@ -412,6 +435,18 @@ pub fn set_enabled_fixed_ro(val: bool) {
     PROVIDER.lock().unwrap().set_enabled_fixed_ro(val);
 }
 
+/// query flag enabled_fixed_ro_exported
+#[inline(always)]
+pub fn enabled_fixed_ro_exported() -> bool {
+    PROVIDER.lock().unwrap().enabled_fixed_ro_exported()
+}
+
+/// set flag enabled_fixed_ro_exported
+#[inline(always)]
+pub fn set_enabled_fixed_ro_exported(val: bool) {
+    PROVIDER.lock().unwrap().set_enabled_fixed_ro_exported(val);
+}
+
 /// query flag enabled_ro
 #[inline(always)]
 pub fn enabled_ro() -> bool {