libtar: don't set parent dir's context when extracting a file

Change-Id: I83e11b0119c47cb691d4e05ac1e5515aeafbdc87
Signed-off-by: Vojtech Bocek <vbocek@gmail.com>
Do not restore file system on data/media devices

Change-Id: I600e7e9ce89621400531bceb472387aafc0d6ed8
minui: Do not return true from target_has_overlay() if MSM_BSP is not set

Since target_has_overlay() was not ifdefed with MSM_BSP,
it would return true on some devices even if MSM_BSP was unset,
breaking LPM and some other minui functions.

Change-Id: Ic6b524fa0b5e36fc9ffe67d53e2bf33e9d4fd2d3