Add ro.slim.device for OTA porpuses

  * Due to unified builds disabling some id props, Slim OTA wasn't working
     working properly. Lets add a new prop just for our needs

Change-Id: Ic2b3acb3dd4944160449f228cb69ec2c9f08775c
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Add ro.slim.model for OTA purposes

Change-Id: I5d4baf0548e098d629e900580758a6d582d3cc2b
add cortex-a5 cpu variant

Change-Id: I369e499d537888eb0f07d900cb50d1424632820e
Specify -mcpu=cortex-a15 for krait CPU variants.

Bug: 11178216

Change-Id: I9922e4cd5ba27e3857798aae5c84299e26e054ea
Apply correct, optimized mfpu compiler flag for ARMv7-A Cortex CPUs

For those ARMv7-A Cortex CPUs that can handle VFPv4 floating point,
We can set "-mfpu=neon-vfpv4" instead of generic "-mfpu=neon"
to gain extra performance improvements.

References :
 - GCC		: https://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
 - Cortex A15	: http://www.arm.com/products/processors/cortex-a/cortex-a15.php
 - Cortex A9	: http://www.arm.com/products/processors/cortex-a/cortex-a9.php
 - Cortex A8	: http://www.arm.com/products/processors/cortex-a/cortex-a8.php
 - Cortex A7	: http://www.arm.com/products/processors/cortex-a/cortex-a7.php
 - Cortex A5	: http://www.arm.com/products/processors/cortex-a/cortex-a5.php

Change-Id: Id8b1a251234014ecf7ffbc1ae14455ed1726e028
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
gallery2
Remove Document UI
Update core_minimal.mk
Update core.mk
Merge remote-tracking branch 'Upstream/kk4.4' into Oppo
Merge commit 'bbc11783435e7748a39203102a557a2ac888e8c9' into Oppo
Merge remote-tracking branch 'origin/Oppo' into Oppo
Merge remote-tracking branch 'origin/master' into Oppo