Themes: Get resources with an explicit theme attached.

Change-Id: If04e82a13250f520d70b58991586c8ce38f0ecb1
Don't log an error if we cannot open icon hash

The icons will end up being processed if we cannot access the hash
so let's just fail gracefully and silently.

Change-Id: I6368ee9bb47a9d52351fff22283ffac2de625b71
Themes: Set bounds on iconUpon

Change-Id: I90720b87ed6d5c30f342bd0e1c149e8a6e238d6e
Fix icon support for secondary users.

This fixes the problem when switching to a secondary user and
icons are currently applied.  Prior to this patch the secondary
user would see droids as their icons and apps would FC at start.

Change-Id: Icd4275eae5868612bf2a81b375ac4d0779a61395