Add ICU file for ART host gtests

Bug: 147817558
Test: check testcases directory after "m general-tests"
Change-Id: I46d7df70c749b0a510c77bbf7a36e20b0f792b7f
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index 90e0d44..a35462a 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -34,13 +34,15 @@
     $(call intermediates-dir-for,SHARED_LIBRARIES,$(lib),HOST,,2ND)/$(lib).so:lib/$(lib)-host.so)
 
 # Add apex directories for art, conscrypt and i18n.
+icu_data_file := $(firstword $(wildcard external/icu/icu4c/source/stubdata/icu*.dat))
 my_files += $(foreach infix,_ _VDEX_,$(foreach suffix,$(HOST_ARCH) $(HOST_2ND_ARCH), \
   $(DEXPREOPT_IMAGE$(infix)BUILT_INSTALLED_art_host_$(suffix))))
 my_files += \
   $(foreach jar,$(CORE_IMG_JARS),\
     $(HOST_OUT_JAVA_LIBRARIES)/$(jar)-hostdex.jar:apex/com.android.art/javalib/$(jar).jar) \
   $(HOST_OUT_JAVA_LIBRARIES)/conscrypt-hostdex.jar:apex/com.android.conscrypt/javalib/conscrypt.jar\
-  $(HOST_OUT_JAVA_LIBRARIES)/core-icu4j-hostdex.jar:apex/com.android.i18n/javalib/core-icu4j.jar
+  $(HOST_OUT_JAVA_LIBRARIES)/core-icu4j-hostdex.jar:apex/com.android.i18n/javalib/core-icu4j.jar \
+  $(icu_data_file):com.android.i18n/etc/icu/$(notdir $(icu_data_file))
 
 # Create dummy module that will copy all the data files into testcases directory.
 # For now, this copies everything to "out/host/linux-x86/" subdirectory, since it