Revert "Revert "Revert "Revert "Add BacktraceOffline for offline backtracing.""""

This reverts commit 94ece83270deca76c69f5755f8c0ff5c859341fd.

Change-Id: Ie06465c89a5fc115517130f9f2904cc855973155
diff --git a/debuggerd/Android.mk b/debuggerd/Android.mk
index f7a5f82..de0f943 100644
--- a/debuggerd/Android.mk
+++ b/debuggerd/Android.mk
@@ -99,6 +99,7 @@
 debuggerd_cpp_flags := \
     $(common_cppflags) \
     -Wno-missing-field-initializers \
+    -fno-rtti \
 
 # Only build the host tests on linux.
 ifeq ($(HOST_OS),linux)