Pack libdivsufsort.so into otatools.zip.
Pack libdivsufsort.so into otatools.zip.

This is to support the change to bsdiff which depends on
libdivsufsort.so and libdivsufsort64.so now.

Bug: 24332905
Change-Id: I232fc1b2abda67456f012a83fa4f69a99bc6ea14

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