Resolve :32 to 32-bit variant only if the variant exists.
Resolve :32 to 32-bit variant only if the variant exists.

Otherwise we just use the original module name.
With this change :32 in 32-bit product configuration will be installed
as expected.

Change-Id: Ibbbf3e8807a17b47f4259c00000a63336bc02f92

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build