Trap SIGABRT in RenderThread for unit tests

Change-Id: Icc1039543d975497808a8062e9d909537c4a29c9
diff --git a/libs/hwui/Android.mk b/libs/hwui/Android.mk
index bbfc022..1adf9ba 100644
--- a/libs/hwui/Android.mk
+++ b/libs/hwui/Android.mk
@@ -225,6 +225,7 @@
     $(hwui_test_common_src_files) \
     tests/unit/CanvasStateTests.cpp \
     tests/unit/ClipAreaTests.cpp \
+    tests/unit/CrashHandlerInjector.cpp \
     tests/unit/DamageAccumulatorTests.cpp \
     tests/unit/DeviceInfoTests.cpp \
     tests/unit/FatVectorTests.cpp \