Fix a memory ordering bug when updating the inline cache for predicted chaining.

Also collect the statistics about fast/queued/dropped IC update. Example
output:

D/dalvikvm(   86): JIT: ICPatch: 603 fast, 6 queued; 0 dropped

Bug: 2642019

Change-Id: I8cffdc9e422189bfd94bf845bcb2cff516f37077
4 files changed