Move disable downloads to bazelrc from mixed build

Keeps mixed builds and b consistent.

Bug: 275724420
Test: presubmits, especially bp2build-incremental
Change-Id: I89942111f259bf9a88c27e124adbdb73936c514c
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 5291eca..10cf60a 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -29,6 +29,7 @@
 	"android/soong/bazel/cquery"
 	"android/soong/shared"
 	"android/soong/starlark_fmt"
+
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/metrics"
 
@@ -700,9 +701,6 @@
 		// We don't need to set --host_platforms because it's set in bazelrc files
 		// that the bazel shell script wrapper passes
 
-		// Explicitly disable downloading rules (such as canonical C++ and Java rules) from the network.
-		"--experimental_repository_disable_download",
-
 		// Suppress noise
 		"--ui_event_filters=-INFO",
 		"--noshow_progress",