Use linker64 on AArch64

Patch Set 3: Combine into one sed - by bigbiff

Change-Id: Ice3147fae76575f6e09c7df201bcd3f949aa24ea
diff --git a/Android.mk b/Android.mk
index 3433d09..207ee16 100644
--- a/Android.mk
+++ b/Android.mk
@@ -307,8 +307,6 @@
     LOCAL_CFLAGS += -DANDROID_VERSION=5
 endif
 
-LOCAL_LDFLAGS += -Wl,-dynamic-linker,/sbin/linker
-
 LOCAL_ADDITIONAL_DEPENDENCIES := \
     dump_image \
     erase_image \
@@ -328,6 +326,9 @@
         dosfslabel \
         fsck_msdos_symlink \
         mkdosfs
+    LOCAL_LDFLAGS += -Wl,-dynamic-linker,/sbin/linker
+else
+    LOCAL_LDFLAGS += -Wl,-dynamic-linker,/sbin/linker64
 endif
 ifneq ($(TW_USE_TOOLBOX), true)
     LOCAL_ADDITIONAL_DEPENDENCIES += busybox_symlinks