Rollback of commit 3da16e3b4e8be4d4c4a6eae80365a85851e3253d.

*** Reason for rollback ***

rules_closure needs to set go/be#java_plugin.generates_api to 1 for dagger

*** Original change description ***

Disable Java header compilation by default in Bazel.

Enabling this by default broke rules_closure at HEAD:
http://ci.bazel.io/view/Dashboard/job/rules_closure/BAZEL_VERSION=HEAD,PLATFORM_NAME=linux-x86_64/711/console

--
PiperOrigin-RevId: 148132758
MOS_MIGRATED_REVID=148132758
diff --git a/tools/jdk/BUILD b/tools/jdk/BUILD
index 1fe912b..cbfe203 100644
--- a/tools/jdk/BUILD
+++ b/tools/jdk/BUILD
@@ -9,7 +9,7 @@
     name = "BUILD-jdk7",
     srcs = [":BUILD"],
     outs = ["BUILD.jdk7"],
-    cmd = "sed -e 's/_version = \"8\"/_version = \"7\"/' -e 's/javac_supports_workers = 1/javac_supports_workers = 0/' $< > $@",
+    cmd = "sed -e 's/_version = \"8\"/_version = \"7\"/' -e 's/javac_supports_workers = 1/javac_supports_workers = 0/' -e 's/forcibly_disable_header_compilation = 0/forcibly_disable_header_compilation = 1/g' $< > $@",
 )
 
 filegroup(
@@ -113,7 +113,7 @@
     bootclasspath = [":bootclasspath"],
     encoding = "UTF-8",
     extclasspath = [":extclasspath"],
-    forcibly_disable_header_compilation = 1,
+    forcibly_disable_header_compilation = 0,
     genclass = ["//tools/jdk:GenClass_deploy.jar"],
     header_compiler = ["//tools/jdk:turbine_deploy.jar"],
     ijar = ["@bazel_tools//tools/jdk:ijar"],