add android makefile, some modification in vpx makefile to build encoder from c source for now

Review URL: http://webrtc-codereview.appspot.com/29012

git-svn-id: http://webrtc.googlecode.com/svn/trunk@50 4adac7df-926f-26a2-2b94-8c16560cd09d

modules/audio_coding/codecs/G711/main/source/Android.mk

@@ -0,0 +1,47 @@
+# This file is generated by gyp; do not edit. This means you!
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_ARM_MODE := arm
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+LOCAL_MODULE := libwebrtc_g711
+LOCAL_MODULE_TAGS := optional
+LOCAL_GENERATED_SOURCES :=
+LOCAL_SRC_FILES := g711_interface.c \
+    g711.c
+
+# Flags passed to both C and C++ files.
+MY_CFLAGS :=  
+MY_CFLAGS_C :=
+MY_DEFS := '-DNO_TCMALLOC' \
+    '-DNO_HEAPCHECKER' \
+    '-DWEBRTC_TARGET_PC' \
+    '-DWEBRTC_LINUX' \
+    '-DWEBRTC_ANDROID' \
+    '-DANDROID' 
+LOCAL_CFLAGS := $(MY_CFLAGS_C) $(MY_CFLAGS) $(MY_DEFS)
+
+# Include paths placed before CFLAGS/CPPFLAGS
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../../../../.. \
+    $(LOCAL_PATH)/../interface 
+
+# Flags passed to only C++ (and not C) files.
+LOCAL_CPPFLAGS := 
+
+LOCAL_LDFLAGS :=
+
+LOCAL_STATIC_LIBRARIES :=
+# Duplicate the static libraries to fix circular references
+LOCAL_STATIC_LIBRARIES += $(LOCAL_STATIC_LIBRARIES)
+
+LOCAL_SHARED_LIBRARIES := libcutils \
+    libdl \
+    libstlport
+LOCAL_ADDITIONAL_DEPENDENCIES :=
+
+ifneq ($(MY_WEBRTC_NDK_BUILD),true)
+include external/stlport/libstlport.mk
+include $(BUILD_STATIC_LIBRARY)
+endif