Change 64bit library path from /system/lib/ to /system/lib64

Change-Id: Ie2ec537bb71ca6573588bcaf893d871ba9b5c051
Merge "Change 64bit library path from /system/lib/ to /system/lib64"
Enable 64bit elf object handling.

Change-Id: Ib952abf882fd9bd0d5cadaa3b204a100bd71aa1e
Merge "Enable 64bit elf object handling."
Update libbcc for 64-bit support.

Change-Id: I369a82eb6730a33c46b6700408952fe34020ca51
Merge "Update libbcc for 64-bit support."
CleanSpec for clang 3.5

Change-Id: I144b4f209b8fb6cad4ba9df6dd574eb6d4139a50
Merge "CleanSpec for clang 3.5"
Improve standalone bcc for on-device compilation.

Bug: 7342767

This adds functionality for driver-writers to dynamically load plugins.
If such a plugin is loaded, we then execute any function called
rsCompilerDriverInit() from it. This function can initialize any other
state the driver-writer wants.

Change-Id: I733a6a3fc59c429a542cfcaf59a57ad231a19d01
Merge "Improve standalone bcc for on-device compilation."