Pass DEXPREOPT_BOOT_JARS_MODULES to Make

Make is not setting PreoptBootJars, pass the value computed in
Soong back to Make.

Test: m checkbuild
Change-Id: Ie3db926df9c5d6bf18db1003b95823c7566800a9

java/dexpreopt_config.go

@@ -151,4 +151,6 @@ func init() {
 func dexpreoptConfigMakevars(ctx android.MakeVarsContext) {
 	ctx.Strict("PRODUCT_BOOTCLASSPATH", strings.Join(defaultBootclasspath(ctx), ":"))
 	ctx.Strict("PRODUCT_SYSTEM_SERVER_CLASSPATH", strings.Join(systemServerClasspath(ctx), ":"))
+
+	ctx.Strict("DEXPREOPT_BOOT_JARS_MODULES", strings.Join(defaultBootImageConfig(ctx).modules, ":"))
 }