Add binderLibTest_IPC_32
1) Add product_variables to binderLibTest because the test case
CheckHandleZeroBinderHighBitsZeroCookie uses binder data structure.
2) Add binderLibTest_IPC_32 which always compiles the test program for
32-bit binder.
Bug:
63307240
Bug:
62366937
Test: vts-tradefed run commandAndExit vts -m VtsKernelBinderTest
Merged-In: I40c738a039459fbfece9689012249ae7ea93df9d
Change-Id: I40c738a039459fbfece9689012249ae7ea93df9d
(cherry picked from commit
f6edfc1b096cba544227d85b0ea3f38a4dd11af5)
(cherry picked from commit
75be4a10008a846c74bc30652584b280669c3b85)