[recipes] Move CI numpy tests to Python 3

Because the latest version of numpy requires Python>=3.5

Author: opacam

.travis.yml

@@ -52,7 +52,7 @@ jobs:
       before_script: make docker/pull
       script: make docker/run/make/testapps/python3/arm64-v8a
     - <<: *testapps
-      name: Python 3 armeabi-v7a
+      name: Python 3 armeabi-v7a (with numpy)
       os: osx
       osx_image: xcode11  # since xcode1.3, python3 is the default interpreter
       before_script:
@@ -61,7 +61,7 @@ jobs:
         - export JAVA_HOME=/Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home
       script: make testapps/python3/armeabi-v7a PYTHON_WITH_VERSION=python3
     - <<: *testapps
-      name: Python 2 armeabi-v7a (with numpy)
+      name: Python 2 armeabi-v7a
       script: make docker/run/make/testapps/python2/armeabi-v7a
     - <<: *testapps
       name: Rebuild updated recipes