delete "don't use bottom tab bars" anti-pattern, because it's out of date, as per: https://www.google.com/design/spec/components/bottom-navigation.html
delete "don't use bottom tab bars" anti-pattern, because it's out of date,
as per: https://www.google.com/design/spec/components/bottom-navigation.html

Change-Id: I9e0ba1873cd10543580c8e7a7ac05e2472fee2a5

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base