Fixed path to crypto includes

Change-Id: I1e6c49029eee4353cc23cc5cfd54125260abf886
Reviewed-on: https://weave-review.googlesource.com/1346
Reviewed-by: Alex Vakulenko <avakulenko@google.com>

libweave/Android.mk

diff --git a/libweave/Android.mk b/libweave/Android.mk
index 0417623..c832266 100644
--- a/libweave/Android.mk
+++ b/libweave/Android.mk
@@ -54,9 +54,9 @@
 LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/external
 
 LOCAL_SRC_FILES := \
-	external/crypto/p224.cc \
-	external/crypto/p224_spake.cc \
-	external/crypto/sha2.cc \
+	third_party/chromium/crypto/p224.cc \
+	third_party/chromium/crypto/p224_spake.cc \
+	third_party/chromium/crypto/sha2.cc \
 	third_party/modp_b64/modp_b64.cc \
 
 include $(BUILD_STATIC_LIBRARY)