third_party/libwebm: Add Android.mk

Add Android.mk for libwebm so that unit tests involving WebM I/O can be built
for android.

Change-Id: I56db0f75672e28c22e559cc415e1d5c26ff0ceb5

configure

@@ -709,6 +709,7 @@ process_toolchain() {
             soft_enable webm_io
         ;;
         *-android-*)
+            soft_enable webm_io
             # GTestLog must be modified to use Android logging utilities.
         ;;
         *-darwin-*)

test/android/Android.mk

@@ -14,8 +14,14 @@ CUR_WD := $(call my-dir)
 BINDINGS_DIR := $(CUR_WD)/../../..
 LOCAL_PATH := $(CUR_WD)/../../..
 
+#libwebm
+include $(CLEAR_VARS)
+include $(BINDINGS_DIR)/libvpx/third_party/libwebm/Android.mk
+LOCAL_PATH := $(CUR_WD)/../../..
+
 #libvpx
 include $(CLEAR_VARS)
+LOCAL_STATIC_LIBRARIES := libwebm
 include $(BINDINGS_DIR)/libvpx/build/make/Android.mk
 LOCAL_PATH := $(CUR_WD)/../..
 
@@ -33,7 +39,7 @@ include $(BUILD_STATIC_LIBRARY)
 include $(CLEAR_VARS)
 LOCAL_ARM_MODE := arm
 LOCAL_MODULE := libvpx_test
-LOCAL_STATIC_LIBRARIES := gtest
+LOCAL_STATIC_LIBRARIES := gtest libwebm
 LOCAL_SHARED_LIBRARIES := vpx
 include $(LOCAL_PATH)/test/test.mk
 LOCAL_C_INCLUDES := $(BINDINGS_DIR)

third_party/libwebm/Android.mk

+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_CPP_EXTENSION := .cpp
+LOCAL_SRC_FILES := mkvmuxer.cpp \
+                   mkvmuxerutil.cpp \
+                   mkvparser.cpp \
+                   mkvreader.cpp \
+                   mkvwriter.cpp
+LOCAL_MODULE := libwebm
+include $(BUILD_STATIC_LIBRARY)