Improve AOSP Download/Upload animation

This increases the number of png required for a full download/upload animation cycle.
These new png makes the animations much smoother.

Change-Id: I7120d757782e797809bc97747127c6a0cc36f2fe
change default for unknown sources & verify apps

Change-Id: I04467c0c1ef3985b416f6e58013ddc3ce4137712
Suppress String resources build warnings

warnings suppressed are:
aapt: warning: **** string '%s' has no default or required localization for
aapt: warning: string '%s' has no default translation in

Patch Set 2: move ifdef and only suppress warnings for packages that
             define NO_DEFAULT_TRANSLATION_WARNINGS and/or
             NO_LOCALIZATION_WARNING

Patch Set 3: by default do not show warnings unless
             SHOW_DEFAULT_TRANSLATION_WARNINGS and/or
             SHOW_LOCALIZATION_WARNINGS

Change-Id: I50ef2a623959a1cc53053b446328df8e34cc99e8
Frameworks: Add option to enable activity indicators on status bar (1/2)

Change-Id: I7aa85f7c8442c45d17e42cac7823dfe93e3f24c1

Patchset: 20
https://gerrit.omnirom.org/#/c/2509/