Add capability for vibrator HAL to detect whether the device is face-up
and adjust/scale haptic alerts to avoid loud and startling buzzing when
there is no case on the device. Added global compile-time disable that
can be set in the environment.
Bug: 198239103
Test: Verified tests and functionality
Change-Id: I6b2355acb7fa5e0323b8eca6327bb19ac42a2c56
Signed-off-by: Chris Paulo <chrispaulo@google.com>
