Fix divide by zero in compiler stats

Also remove ext.jar from compilation since its part of the bootclasspath

Change-Id: I208746479d44664c8c868952d477a312fea6547a
2 files changed
tree: ca28c02df434b964ae832abe7a764543efc32071
  1. Android.mk
  2. build/
  3. jdwpspy/
  4. src/
  5. test/
  6. tools/