Update patches

Change-Id: Id8554490e76cfe96614d425773e5eacab226c995
Delete 0001-external-skia-patch.patch

Doesn't fit the new sourcecode anymore
Delete 0001-Work-around-broken-GL_TEXTURE_BINDING_EXTERNAL_OES-q.patch

Doesn't fit the new sourcecode anymore
Delete 0001-framework-base-patch.patch

WifiMonitor.java doesn't exist anymore in android 5.0