ART: Fix gtest dependency

Gtests should depend on the debug version of libart-disassembler.

Bug: 21273194

(cherry picked from commit 0ae3bf872d3898ed6826216f3f8a04c819e1426b)

Change-Id: Iaf216a1c0cff650296ebf83fe4e8352f5614cb28
1 file changed