HALO cleanup

hdpi and mdpi drawables were inconsistent, if you plan to use HALO on
lower res devices you must reproduce them.

Change-Id: I2746837bacd60c3079ace4c7523a68b8cd415f5f
Merge branch 'jellybean' of github.com:ParanoidAndroid/android_frameworks_base into jellybean-legacy
Merge branch 'jellybean-legacy' of https://github.com/ParanoidAndroid/android_frameworks_base into jellybean-legacy