Remove libchrome dependent linker flags

We removed the experimental allocator shim from libchrome, which
removes the necessity of having the -wrap* linker flags.

Bug: 33239390
Test: validated update_engine can be built properly

Change-Id: I307458324493b53522a924b1539d11fc9dfc77dc
diff --git a/Android.mk b/Android.mk
index 6cde546..617814c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -586,14 +586,6 @@
     libevent \
     libmodpb64 \
     libgtest_prod
-# libchrome requires these extra LDFLAGS which are not propagated through the
-# build system.
-LOCAL_LDFLAGS += \
-    -Wl,-wrap,calloc \
-    -Wl,-wrap,free \
-    -Wl,-wrap,malloc \
-    -Wl,-wrap,memalign \
-    -Wl,-wrap,realloc
 
 ifeq ($(strip $(PRODUCT_STATIC_BOOT_CONTROL_HAL)),)
 # No static boot_control HAL defined, so no sideload support. We use a fake