DO NOT MERGE: Refactor the libbcc runtime for x86 platform

This patch refactors the libbcc runtime code to support x86 platform.
It removed the redundant x86 code and added the missing functions in
libclcore_x86.bc.

It resolved the RenderScript failures on the x86 platform.

Bug: 9961583

Change-Id: Ieed97e90c7c7691185a88dc425a2dd8c68aeb806

Signed-off-by: Yong Chen <yong.a.chen@intel.com>
11 files changed