Revert "Provide libskia_legacy for compatibility with browser saved pages from Android 4.2 and earlier"

This reverts commit cd02cc61e8bcf065a90f1bdb512e23773bfdbcc7.

Conflicts:
	device_base.mk

Change-Id: Iba4f518be2aab44ea043dadb4d9b20f70cd7f48e