ContentResolver should handle dead system_server.

Use the common rethrowFromSystemServer() pattern.  Carefully only
throws for calls going to system_server; leaves existing behavior
intact when calling a ContentProvider.

Bug: 77671218
Test: builds, boots
Change-Id: Ie5e0763fb5e62b832f2b6a03c8f9d72dab3bf89a
1 file changed