Don't call onQueryTextChanged more often than necessary.
Don't call onQueryTextChanged more often than necessary.

Also update the hint text if iconifiedByDefault changes.

Bug: 5097238
Change-Id: I876b3f3e74c30230f68d6bc88a95e182e4cc652b

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base