Build `//toolchains/...` again in BazelCI

(ignore-relnotes)

PiperOrigin-RevId: 981718392
Change-Id: Ia5d26a7ee6d2ce8befbbd41574b3f724e81236da

.bazelci/presubmit.yml

diff --git a/.bazelci/presubmit.yml b/.bazelci/presubmit.yml
index 4e826db..5d3d2f4 100644
--- a/.bazelci/presubmit.yml
+++ b/.bazelci/presubmit.yml
@@ -8,8 +8,6 @@
   - "@remote_java_tools//:one_version_cc_bin"
   - "@remote_java_tools//:proguard"
   - "@remote_java_tools//:singlejar_cc_bin"
-  # can't build @remote_java_tools_X repos for other platforms
-  - "-//toolchains/..."
 
 build_targets_integration: &build_targets_integration
   - "//..."

toolchains/BUILD

diff --git a/toolchains/BUILD b/toolchains/BUILD
index 920ae5f..9d4dd8a 100644
--- a/toolchains/BUILD
+++ b/toolchains/BUILD
@@ -302,6 +302,7 @@
         "@bazel_tools//src/conditions:linux_aarch64": ":turbine_direct_graal_linux_aarch64",
         "@bazel_tools//src/conditions:windows": ":turbine_direct_graal_windows",
     }),
+    tags = ["manual"],  # So we can build //... on CI platforms that don't match
 )
 
 string_setting(