Make java-event-log-tags.py create its output directory if it does not exist.
Make java-event-log-tags.py create its output directory if it does not exist.

Change-Id: I88ca3e6e70d1ff9db8f1328f18c36abc196e1aad

Hybrid-Power/startsync,see4ri/lolili,pranav01/platform_manifest,xorware/android_build,hagar006/platform_manifest,xorware/android_build,xorware/android_build,xorware/android_build,fallouttester/platform_manifest,RR-msm7x30/platform_manifest,knone1/platform_manifest,ND-3500/platform_manifest,xorware/android_build