launcher icons and TV banner update

jami-android/app/src/main/AndroidManifest.xml

jami-android/app/src/main/res/drawable/ic_jami.xml

jami-android/app/src/main/res/drawable/ic_jami_24.xml

jami-android/app/src/main/res/drawable/ic_jami_48.xml

...roid/app/src/main/res/drawable/ic_launcher_foreground.xml

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

jami-android/app/src/main/res/mipmap-hdpi/ic_launcher.png

...d/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png

jami-android/app/src/main/res/mipmap-mdpi/ic_launcher.png

...d/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png

jami-android/app/src/main/res/mipmap-xhdpi/ic_banner.png

jami-android/app/src/main/res/mipmap-xhdpi/ic_launcher.png

.../app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png

jami-android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png

...app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png

jami-android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png

...pp/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png