Implement RPC commands on the Android side

Android.mk

@@ -9,8 +9,12 @@ LOCAL_SRC_FILES := \
     external/process-cpp-minimal/src/core/posix/signal.cpp \
     external/process-cpp-minimal/src/core/posix/signalable.cpp \
     external/process-cpp-minimal/src/core/posix/standard_stream.cpp \
-    external/process-cpp-minimal/src/core/posix/wait.cpp
+    external/process-cpp-minimal/src/core/posix/wait.cpp \
+    external/process-cpp-minimal/src/core/posix/fork.cpp \
+    external/process-cpp-minimal/src/core/posix/exec.cpp \
+    external/process-cpp-minimal/src/core/posix/child_process.cpp
 LOCAL_CFLAGS := \
+    -DANDROID \
     -fexceptions
 LOCAL_C_INCLUDES += \
     $(LOCAL_PATH)/external/process-cpp-minimal/include
@@ -26,11 +30,12 @@ LOCAL_SRC_FILES := \
     android/service/host_connector.cpp \
     android/service/local_socket_connection.cpp \
     android/service/message_processor.cpp \
+    android/service/server.cpp \
     src/anbox/common/fd.cpp \
     src/anbox/bridge/message_processor.cpp \
     src/anbox/bridge/pending_call_cache.cpp \
     src/anbox/bridge/rpc_channel.cpp \
-    src/anbox/protobuf/bridge.proto
+    src/anbox/protobuf/anbox_bridge.proto
 proto_header_dir := $(call local-generated-sources-dir)/proto/$(LOCAL_PATH)/src/anbox/protobuf
 LOCAL_C_INCLUDES += \
     $(proto_header_dir) \