Attempt to make Travis go green

DEPS

@@ -184,12 +184,6 @@ hooks = [
     'pattern': '.',
     'action': ['python', 'src/tools/dart/update.py'],
   },
-  {
-    # This downloads android_tools according to tools/android/VERSION_*.
-    'name': 'android_tools',
-    'pattern': '.',
-    'action': ['python', 'src/tools/android/download_android_tools.py'],
-  },
   {
     # This downloads SDK extras and puts them in the
     # third_party/android_tools/sdk/extras directory on the bots. Developers

engine/src/flutter/.travis.yml

@@ -6,4 +6,5 @@ before_script:
   - ./travis/setup.sh
   - export PATH=$PWD/depot_tools:$PATH
   - export BOTO_CONFIG=$PWD/boto
+  - cd src
 script: ./travis/build.sh

engine/src/flutter/CONTRIBUTING.md

@@ -39,6 +39,7 @@ target.
 ### Android
 
 * (Only the first time) `./build/install-build-deps-android.sh`
+* (Only the first time) `./tools/android/download_android_tools.py`
 * `./sky/tools/gn --android`
 * `ninja -C out/android_Debug`
 * `./sky/tools/shelldb start out/android_Debug/ sky/sdk/example/hello_world/lib/main.dart`

engine/src/flutter/build/config/crypto.gni

@@ -26,4 +26,4 @@ use_openssl_certs = is_android
 # True if NSS is used for certificate verification. Note that this is
 # independent from use_openssl. It is possible to use OpenSSL for the crypto
 # library, but NSS for the platform certificate library.
-use_nss_certs = is_linux
+use_nss_certs = false

engine/src/flutter/sky/tools/roll/roll.py

@@ -93,6 +93,7 @@ dirs_from_mojo = [
 # The contents of these files before the roll will be preserved after the roll,
 # even though they live in directories rolled in from Chromium.
 files_not_to_roll = [
+    'build/config/crypto.gni',
     'build/config/ui.gni',
     'build/ls.py',
     'build/module_args/mojo.gni',