64 bit mediaextractor

On 64 bit devices run the extractor process in 64 bit mode.

Define a 64 bit seccomp filter for arm64.

Tests (angler): CtsMediaTestCases, youtube, play movies, play music.

Bug: 27785687
Change-Id: Icb4ea2d7ce8ac55d3f3f4852b0e011d9c4402d54
diff --git a/services/mediaextractor/Android.mk b/services/mediaextractor/Android.mk
index a9a2d3c..4e337a0 100644
--- a/services/mediaextractor/Android.mk
+++ b/services/mediaextractor/Android.mk
@@ -5,19 +5,20 @@
 LOCAL_SRC_FILES := MediaExtractorService.cpp
 LOCAL_SHARED_LIBRARIES := libmedia libstagefright libbinder libutils liblog
 LOCAL_MODULE:= libmediaextractorservice
-LOCAL_32_BIT_ONLY := true
 include $(BUILD_SHARED_LIBRARY)
 
 
 # service executable
 include $(CLEAR_VARS)
+# seccomp filters are defined for the following architectures:
 LOCAL_REQUIRED_MODULES_arm := mediaextractor-seccomp.policy
+LOCAL_REQUIRED_MODULES_arm64 := mediaextractor-seccomp.policy
 LOCAL_REQUIRED_MODULES_x86 := mediaextractor-seccomp.policy
+# TODO add seccomp filter for x86_64.
 LOCAL_SRC_FILES := main_extractorservice.cpp minijail/minijail.cpp
 LOCAL_SHARED_LIBRARIES := libmedia libmediaextractorservice libbinder libutils liblog libicuuc libminijail
 LOCAL_STATIC_LIBRARIES := libicuandroid_utils
 LOCAL_MODULE:= mediaextractor
-LOCAL_32_BIT_ONLY := true
 LOCAL_INIT_RC := mediaextractor.rc
 LOCAL_C_INCLUDES := frameworks/av/media/libmedia
 include $(BUILD_EXECUTABLE)