Ringtones: Fix ANDROID_LOOP=true for ArgoNavis and Perseus ringtones

Add ANDROID_LOOP metatag to ArgoNavis and Perseus ringtones, removed in commit
https://github.com/CyanogenMod/android_frameworks_base/commit/5d7c089cabe599c3c5614c53f5a94c8c2357340f

Change-Id: I2fd05e73d68758867a17d2c3369cfeefc203ac5a
JIRA: CYAN-1434
Issue: https://jira.cyanogenmod.org/browse/CYAN-1434


Signed-off-by: Jorge Ruesga <jorge@ruesga.com>