Use strip mode mini-debug-info by default.

Bug: 27923447
Change-Id: If52eed69ea5c2e91bffacdb8520bf53deafced3e
diff --git a/core/dynamic_binary.mk b/core/dynamic_binary.mk
index f11803d..2a4e9e2 100644
--- a/core/dynamic_binary.mk
+++ b/core/dynamic_binary.mk
@@ -116,7 +116,7 @@
   $(LOCAL_STRIP_MODULE_$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH)) \
   $(LOCAL_STRIP_MODULE))
 ifeq ($(my_strip_module),)
-  my_strip_module := true
+  my_strip_module := mini-debug-info
 endif
 
 $(strip_output): PRIVATE_STRIP := $($(LOCAL_2ND_ARCH_VAR_PREFIX)TARGET_STRIP)