Various Fixes in RemoteViews.DrawInstructions

1. NPE in RemoteViews when instantiated from DrawInstructions
RemoteViews instantiated from DrawInstruction currently doesn't require
application info, this CL adds a null check before parcel/unparcel the
applicaiton field in the RemoteViews to prevent NPE.

2. TTL Exception when passing DrawInstructions between processes
DrawInstructions may contain bytearray that exceeds the size limit in
Binder transaction which leads to transaction too large exception. This
CL instead read/write the bytearray to/from parcel as blobs.

Bug: 286130467
Test: atest RemoteViewsTest
Change-Id: I679f985dbedb8d1ad770bb04e080a7ab49d89531