Remove unused keylayout files

Change-Id: I5eaaf80569467294d9e02c88e8c08a8c199e9b67
Enable QCOM_BT_USE_SMD_TTY for bluetooth

Change-Id: If09bf3147253cc0ef48c20ed7a906c1b1331dbc5
Define custom EGL cache sizes

Change-Id: If89ba2fcf40a32f6c9c495801261dd8c573b7a66