Fix BoringSSL license path.

BUG=webrtc:5737
NOTRY=True

Review-Url: https://codereview.webrtc.org/1949953002
Cr-Commit-Position: refs/heads/master@{#12645}
diff --git a/webrtc/build/ios/generate_licenses.py b/webrtc/build/ios/generate_licenses.py
index 5773217..7a2db53 100755
--- a/webrtc/build/ios/generate_licenses.py
+++ b/webrtc/build/ios/generate_licenses.py
@@ -21,7 +21,7 @@
 
 
 LIB_TO_LICENSES_DICT = {
-    'boringssl': ['third_party/boringssl/NOTICE'],
+    'boringssl': ['third_party/boringssl/src/LICENSE'],
     'expat': ['third_party/expat/files/COPYING'],
     'jsoncpp': ['third_party/jsoncpp/LICENSE'],
     'opus': ['third_party/opus/src/COPYING'],