use build system flag RELEASE_READ_FROM_NEW_STORAGE to drive codegen

When RELEASE_READ_FROM_NEW_STORAGE is true, enable reading from new
storage. So that we can ensure nextfood is not impacted.

Ignore-AOSP-First: code only needed for git_main, and will be removed once test mission 1 is finished.

Bug: b/332737012
Test: m
Change-Id: Ide3f432321ebd3dce9427e7cb8f2086e24d3cc31

aconfig/codegen/init.go

@@ -63,11 +63,12 @@ var (
 				` && ${aconfig} create-rust-lib` +
 				`    --mode ${mode}` +
 				`    --cache ${in}` +
+				`    --allow-instrumentation ${debug}` +
 				`    --out ${gendir}`,
 			CommandDeps: []string{
 				"$aconfig",
 			},
-		}, "gendir", "mode")
+		}, "gendir", "mode", "debug")
 )
 
 func init() {

aconfig/codegen/rust_aconfig_library.go

@@ -2,6 +2,7 @@ package codegen
 
 import (
 	"fmt"
+	"strconv"
 
 	"android/soong/android"
 	"android/soong/rust"
@@ -82,6 +83,7 @@ func (a *aconfigDecorator) GenerateSource(ctx rust.ModuleContext, deps rust.Path
 		Args: map[string]string{
 			"gendir": generatedDir.String(),
 			"mode":   mode,
+			"debug":  strconv.FormatBool(ctx.Config().ReleaseReadFromNewStorage()),
 		},
 	})
 	a.BaseSourceProvider.OutputFiles = android.Paths{generatedSource}

android/config.go

@@ -234,6 +234,11 @@ func (c Config) ReleaseHiddenApiExportableStubs() bool {
 		Bool(c.config.productVariables.HiddenapiExportableStubs)
 }
 
+// Enable read flag from new storage
+func (c Config) ReleaseReadFromNewStorage() bool {
+	return c.config.productVariables.GetBuildFlagBool("RELEASE_READ_FROM_NEW_STORAGE")
+}
+
 // A DeviceConfig object represents the configuration for a particular device
 // being built. For now there will only be one of these, but in the future there
 // may be multiple devices being built.