[FIX] sap.ui.layout.FixFlex: Android native browser support

Change-Id: I3c8cbb06438f67ef6be977ed81a78c43b532d84d
[FIX] sap.ui.layout.FixFlex: fix demo urls

Change-Id: Ia633d039e007c5c045f60a0d1fccd359546ad022
Merge "[FIX] sap.ui.layout.FixFlex: fix demo urls"
Merge "[FIX] sap.ui.layout.FixFlex: Android native browser support"