Merge changes from topic "expose_flagged_api_revert" into main

* changes:
  Revert^2 "Add flagged api hide conditional to droidstubs"
  Revert^2 "Add soong config variable Release_expose_flagged_api"

android/config.go

@@ -2085,3 +2085,11 @@ func (c *deviceConfig) CheckVendorSeappViolations() bool {
 func (c *deviceConfig) NextReleaseHideFlaggedApi() bool {
 	return Bool(c.config.productVariables.NextReleaseHideFlaggedApi)
 }
+
+func (c *deviceConfig) ReleaseExposeFlaggedApi() bool {
+	return Bool(c.config.productVariables.Release_expose_flagged_api)
+}
+
+func (c *deviceConfig) HideFlaggedApis() bool {
+	return c.NextReleaseHideFlaggedApi() && !c.ReleaseExposeFlaggedApi()
+}