Fix issue with Android.run-test.mk

We were clearing 2 makefile variables that was needed for our
buildbots to run correctly.

Test: m clean && ./test.py --target -j8
Test: m clean && ./test.py --host -j40
Change-Id: Ic15ccf6701bf12b7ee5aeddf940e0c343677c8b0
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index 703b911..304c6fa 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -259,8 +259,6 @@
 target_prereq_rules :=
 core-image-dependencies :=
 name-to-var :=
-ART_TEST_HOST_RUN_TEST_DEPENDENCIES :=
-TEST_ART_TARGET_SYNC_DEPS :=
 define-test-art-host-or-target-run-test-group :=
 TARGET_TYPES :=
 COMPILER_TYPES :=