Fix crash when UaProfUrlTagName is null

This change fixes a silent MMS lib crash when the UaProfUrlTagName is
empty.

Test: Tested manually by modifying the configs and using temporary log
lines

Bug: 128510421

Change-Id: I3500a5988d1b50e79599846cce641ec3bca923ca
Merged-In: I3500a5988d1b50e79599846cce641ec3bca923ca
1 file changed
tree: e04d5c113e8f1fcd4719a4b15be3d6a5ef9deca3
  1. res/
  2. src/
  3. Android.bp
  4. AndroidManifest.xml
  5. OWNERS
  6. proguard.flags