Remove unused ICU4C headers in libartbase-art-gtest and libart-runtime-gtest

Bug: 117094880
Test: m libartbase-art-gtest libart-runtime-gtest
Change-Id: Iff46ce8ac9f12fb0021ae453624efe84df20a56a
diff --git a/libartbase/Android.bp b/libartbase/Android.bp
index 58d12a1..c3fb5fd 100644
--- a/libartbase/Android.bp
+++ b/libartbase/Android.bp
@@ -177,9 +177,6 @@
     header_libs: [
         "libnativehelper_header_only",
     ],
-    include_dirs: [
-        "external/icu/icu4c/source/common",
-    ],
 }
 
 art_cc_test {
diff --git a/libartbase/base/common_art_test.cc b/libartbase/base/common_art_test.cc
index b055bb4..2d9e15e 100644
--- a/libartbase/base/common_art_test.cc
+++ b/libartbase/base/common_art_test.cc
@@ -25,7 +25,6 @@
 
 #include "android-base/stringprintf.h"
 #include "android-base/unique_fd.h"
-#include <unicode/uvernum.h>
 
 #include "art_field-inl.h"
 #include "base/file_utils.h"
diff --git a/runtime/Android.bp b/runtime/Android.bp
index 410901e..4aa5d3d 100644
--- a/runtime/Android.bp
+++ b/runtime/Android.bp
@@ -552,9 +552,6 @@
     header_libs: [
         "libnativehelper_header_only",
     ],
-    include_dirs: [
-        "external/icu/icu4c/source/common",
-    ],
 }
 
 art_cc_test {
diff --git a/runtime/common_runtime_test.cc b/runtime/common_runtime_test.cc
index a101976..a20baa0 100644
--- a/runtime/common_runtime_test.cc
+++ b/runtime/common_runtime_test.cc
@@ -24,7 +24,6 @@
 #include "nativehelper/scoped_local_ref.h"
 
 #include "android-base/stringprintf.h"
-#include <unicode/uvernum.h>
 
 #include "art_field-inl.h"
 #include "base/file_utils.h"