build: pass --strip-all, not --strip-debug to strip

Option --strip-all will remove the static symbol section in addition to debug
symbols.  We do not need the static symbol table in libraries installed on the
target.

Change-Id: I7a52d22f5b45aa727f31bfd9af796b289528caef
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/CleanSpec.mk b/CleanSpec.mk
index c49f26c..134b08a 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -71,7 +71,6 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
-
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/*.so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/symbols/system/lib/*.so)
@@ -81,6 +80,10 @@
 $(call add-clean-step, rm -rf $(HOST_OUT_EXECUTABLES)/isprelinked)
 $(call add-clean-step, rm -rf $(HOST_OUT_EXECUTABLES)/soslim)
 
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/*.so)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/symbols/system/lib/*.so)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************