Merge branch 'android-improve' into 'flidas'

helpers/DATA/firefox/android/branding/configure.sh

helpers/DATA/firefox/android/branding/content/about.png

helpers/DATA/firefox/android/branding/content/favicon32.png

helpers/DATA/firefox/android/branding/content/favicon64.png

helpers/DATA/firefox/android/branding/content/jar.mn

helpers/DATA/firefox/android/branding/content/moz.build

...ers/DATA/firefox/android/branding/locales/en-US/brand.dtd

...A/firefox/android/branding/locales/en-US/brand.properties

helpers/DATA/firefox/android/branding/locales/jar.mn

helpers/DATA/firefox/android/branding/locales/moz.build

helpers/DATA/firefox/android/branding/moz.build

.../DATA/firefox/android/branding/res/drawable-hdpi/icon.png

...firefox/android/branding/res/drawable-hdpi/large_icon.png

.../android/branding/res/drawable-nodpi/firstrun_welcome.png

...DATA/firefox/android/branding/res/drawable-xhdpi/icon.png

...irefox/android/branding/res/drawable-xhdpi/large_icon.png

...ATA/firefox/android/branding/res/drawable-xxhdpi/icon.png

...refox/android/branding/res/drawable-xxhdpi/large_icon.png

...TA/firefox/android/branding/res/drawable-xxxhdpi/icon.png

helpers/DATA/firefox/android/images/logo-hdpi.png