tree 17003913f4522c09f0155719f16c7929f9c02ca7
parent 9b125b04c6ba8f07d8aa6494d58917a596443dc5
author Doug Zongker <dougz@android.com> 1285791690 -0700
committer Doug Zongker <dougz@android.com> 1285792844 -0700

save the log from recovery's last run in /cache/recovery/last_log

Also, don't lose the start of the log whenever a wipe cache is
performed.

Change-Id: I29999762854eb36d1ff2bc20b4183c9077b19777