Reformat Android.bp file

This change abandons cancatenating lists in "srcs" and "resource_dirs"
and using strings to each attribute to increase readability.

Bug: 309709350
Test: m ShortcutLauncherDemo; m ShortcutLauncherDemo
Test: m ShortcutDemo; m ShortcutDemo2
Change-Id: I84c1aad83fc17955db70077641dd866c367addb6
1 file changed