Move gerrit-index/antlr3 sources to top-level antlr3 directory

Change-Id: I75d6bc4d7af2cb17622ef0f722f88f068509cb46

antlr3/BUILD

@@ -0,0 +1,17 @@
+load("//tools/bzl:genrule2.bzl", "genrule2")
+
+genrule2(
+    name = "query",
+    srcs = ["com/google/gerrit/index/query/Query.g"],
+    outs = ["query_antlr.srcjar"],
+    cmd = " && ".join([
+        "$(location //lib/antlr:antlr-tool) -o $$TMP $<",
+        "cd $$TMP",
+        "$$ROOT/$(location @bazel_tools//tools/zip:zipper) cC $$ROOT/$@ $$(find *)",
+    ]),
+    tools = [
+        "//lib/antlr:antlr-tool",
+        "@bazel_tools//tools/zip:zipper",
+    ],
+    visibility = ["//visibility:public"],
+)

gerrit-index/BUILD

@@ -12,24 +12,9 @@ java_library(
     visibility = ["//visibility:public"],
 )
 
-genrule2(
-    name = "query_antlr",
-    srcs = ["src/main/antlr3/com/google/gerrit/index/query/Query.g"],
-    outs = ["query_antlr.srcjar"],
-    cmd = " && ".join([
-        "$(location //lib/antlr:antlr-tool) -o $$TMP $<",
-        "cd $$TMP",
-        "$$ROOT/$(location @bazel_tools//tools/zip:zipper) cC $$ROOT/$@ $$(find *)",
-    ]),
-    tools = [
-        "//lib/antlr:antlr-tool",
-        "@bazel_tools//tools/zip:zipper",
-    ],
-)
-
 java_library(
     name = "query_parser",
-    srcs = [":query_antlr"],
+    srcs = ["//antlr3:query"],
     visibility = ["//gerrit-plugin-api:__pkg__"],
     deps = [
         ":query_exception",

lib/antlr/BUILD

@@ -22,7 +22,7 @@ java_binary(
     name = "antlr-tool",
     jvm_flags = ["-XX:-UsePerfData"],
     main_class = "org.antlr.Tool",
-    visibility = ["//gerrit-index:__pkg__"],
+    visibility = ["//antlr3:__pkg__"],
     runtime_deps = [":tool"],
 )