Refine the Android.bp

Use attribute "suffix" to replace "stem" to define
the name of output binary. The former defines the
append string, and the later defines a new name.

Bug: 149282463
Test: After this patch, $ m aidegen should generate
      the aidegen-dev binary.

Change-Id: I1c93c6a5bb13e1e9e6f8df8b7f40f7e06beba45c
2 files changed