Add a new skin 'dynamic'.

This skin only defines the parts that can be used. Its
layout section is expected to be generated at runtime
by the emulator when the option -dynamic-skin is used.

The assets used to generate this skin are placed in the
assets folder.

Change-Id: Ib252ed6a7b1ef16c21c3d45bdc0c977c1ad42466
Delete duplicate files

These files are already in development/tools/emulator.

Change-Id: I58988ce49804583b06e7d93380c44ba800448216
adb bash completion: add support for sideload command

Change-Id: I3a1c1a87dc0921f40ea413819e704c567cba686f