Disable seccomp policy for mediacodec on coverage builds.

Test: lunch walleye_coverage-userdebug && make
      verify mediacodec.policy is not installed.

Change-Id: I4f90651a251b48f283317efea19d0bf1a4abbb69
diff --git a/services/mediacodec/Android.mk b/services/mediacodec/Android.mk
index 457e919..333f1b0 100644
--- a/services/mediacodec/Android.mk
+++ b/services/mediacodec/Android.mk
@@ -18,7 +18,10 @@
 
 # service executable
 include $(CLEAR_VARS)
+# seccomp is not required for coverage build.
+ifneq ($(NATIVE_COVERAGE),true)
 LOCAL_REQUIRED_MODULES_arm := mediacodec.policy
+endif
 LOCAL_SRC_FILES := main_codecservice.cpp
 LOCAL_SHARED_LIBRARIES := \
     libmedia_omx \