Update to use the canonical version of LB proto
diff --git a/config.m4 b/config.m4
index 2704c42..7e223c9 100644
--- a/config.m4
+++ b/config.m4
@@ -366,6 +366,8 @@
src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_channel_secure.cc \
src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb_client_stats.cc \
src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.cc \
+ src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/duration.pb.c \
+ src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf/timestamp.pb.c \
src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c \
src/core/ext/filters/client_channel/resolver/fake/fake_resolver.cc \
src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc \
@@ -653,6 +655,7 @@
PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel)
PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/grpclb)
PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1)
+ PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/grpclb/proto/grpc/lb/v1/google/protobuf)
PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/pick_first)
PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/lb_policy/round_robin)
PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/filters/client_channel/resolver/dns/c_ares)