pathmap: Point QC HAL pathmaps directly to the source

Directly map to the actual HAL directory, including the
board platform. This lets project-path-for point directly
to the respective HALs.

Change-Id: Ic4ed61bbdea9d0b5683502bf84a8410e76858527
"LRX21U"
"LRX21V"
build: set qcom media variant to root path

Change-Id: If7d0dc3fc1789b14f5272be46c13a9146575ce79
Merge "build: set qcom media variant to root path" into lp5.0
Recovery: remove wiping of res folder

The rm -rf of the res folder wipes out all of the TWRP theme and
images. Remove this so that TWRP will work properly.

Change-Id: I27c372d53eaae3cc8b476a909c2d3f3fc4fcb558
Merge "Recovery: remove wiping of res folder" into lp5.0
Build: Small workaround

  * Until the real problem is solved lets unmount partions prior to flash
  * Based on Vonnegut@XDA recommendation

Change-Id: If2ec54f5e273f1c92868672ed365f246ace54b70
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Merge remote-tracking branch 'SlimRoms/lp5.0' into lp5.0