add MVC examples

android/4-3-MultipleViews/mvc1/.gitignore

android/4-3-MultipleViews/mvc1/app/.gitignore

android/4-3-MultipleViews/mvc1/app/build.gradle

android/4-3-MultipleViews/mvc1/app/proguard-rules.pro

...java/cs349/uwaterloo/ca/mvc1/ExampleInstrumentedTest.java

...d/4-3-MultipleViews/mvc1/app/src/main/AndroidManifest.xml

...p/src/main/java/cs349/uwaterloo/ca/mvc1/MainActivity.java

...mvc1/app/src/main/java/cs349/uwaterloo/ca/mvc1/Model.java

...mvc1/app/src/main/java/cs349/uwaterloo/ca/mvc1/View1.java

...mvc1/app/src/main/java/cs349/uwaterloo/ca/mvc1/View2.java

.../app/src/main/res/drawable-v24/ic_launcher_foreground.xml

...mvc1/app/src/main/res/drawable/ic_launcher_background.xml

...tipleViews/mvc1/app/src/main/res/layout/activity_main.xml

...ltipleViews/mvc1/app/src/main/res/layout/view1_layout.xml

...ltipleViews/mvc1/app/src/main/res/layout/view2_layout.xml

...s/mvc1/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

.../app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

...leViews/mvc1/app/src/main/res/mipmap-hdpi/ic_launcher.png

...s/mvc1/app/src/main/res/mipmap-hdpi/ic_launcher_round.png

...leViews/mvc1/app/src/main/res/mipmap-mdpi/ic_launcher.png