Switch to libbase SilentDeathTest.

Bug: http://b/184955378
Test: treehugger
Change-Id: Ie0849224074da92203340a741a86a24a4a3702c2
diff --git a/tests/assert_test.cpp b/tests/assert_test.cpp
index 714e22a..769852a 100644
--- a/tests/assert_test.cpp
+++ b/tests/assert_test.cpp
@@ -19,9 +19,9 @@
 #undef NDEBUG
 #include <assert.h>
 
-#include "BionicDeathTest.h"
+#include <android-base/silent_death_test.h>
 
-using assert_DeathTest = BionicDeathTest;
+using assert_DeathTest = SilentDeathTest;
 
 TEST(assert, assert_true) {
   assert(true);