fwb: Port long screenshot implementation from Asus

From asus/WW_I001D/ASUS_I001_1:10/QKQ1.190825.002/17.0210.2001.60-0:user/release-keys

Change-Id: Idd3690832210b167d9d2a33069b19ffb43653887
Signed-off-by: rohan <purohit.rohan@gmail.com>
13 files changed