Ten release 2.0

• Upstream to 4.9.228
• Upstreamed f2fs
• Enabled Vnswap and Zswap for less overhead and better page swapping
• Disable Zram
• Merged LE.UM.2.3.2-10400-SDX24 and LA.UM.8.3.r1-07900-sdm845.0
• Decreased swappiness to 20 - for optimum swapping
• Wireless / db.txt: Checkout to upstream wireless-regdb
• Updated Simple LMK
• Inlined scheduler further with android-mainline
• Fixed Ion allocation bug (causing Gcam crash)
• Disabled readahead for faster app opening and less overhead