hammerhead: update fingerprint to 4.4.3

Change-Id: I793bf24e36b2bbfc7024197216560dba754ff52a
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>

Conflicts:

	products/hammerhead.mk
disable OTA activities

Change-Id: I2d5f06949288568ecbf0cb7856fc47daa3cd5956
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>

Conflicts:

	overlay/common/frameworks/base/core/res/res/values/config.xml