Add well known types to php runtime. (#3697)

* Add well known types to php runtime.

* Fix php7.0 tests

* No longer generate empty.proto in test as it has been included in
runtime.

* Fix zts build

* Clean code

* Rename g_p_b_empty to empty.

* Don't generate code for empty.proto in compatibility test

* Fix 32-bit

* Fix mac build

* Fix Makefile.am to add new files

1 files changed, 0 insertions, 1 deletions

diff --git a/tests.sh b/tests.sh
index 689b8913..3d0a6d22 100755
--- a/tests.sh
+++ b/tests.sh
@@ -358,7 +358,6 @@ generate_php_test_proto() {
     proto/test_service_namespace.proto   \
     proto/test_descriptors.proto
   pushd ../../src
-  ./protoc --php_out=../php/tests/generated google/protobuf/empty.proto
   ./protoc --php_out=../php/tests/generated -I../php/tests -I. ../php/tests/proto/test_import_descriptor_proto.proto
   popd
   popd