GPU Memory: unittest using map_create needs root access

Bug: 171586596
Test: atest gpuservice_unittest:GpuMemTest
Change-Id: Ie3b2da4309382a0ad94724c2add1b6031449ac4f
diff --git a/services/gpuservice/tests/unittests/Android.bp b/services/gpuservice/tests/unittests/Android.bp
index db81f5d..940a26b 100644
--- a/services/gpuservice/tests/unittests/Android.bp
+++ b/services/gpuservice/tests/unittests/Android.bp
@@ -38,4 +38,5 @@
     static_libs: [
         "libgmock",
     ],
+    require_root: true,
 }