Fix/unify context-based remote storage timeouts
Fix/unify context-based remote storage timeouts

alileza/prometheus,Colstuwjx/prometheus,Gouthamve/prometheus,prometheus/prometheus,GoogleCloudPlatform/prometheus,brancz/prometheus,alileza/prometheus,kzittritsch/prometheus,Conorbro/prometheus,prometheus/prometheus,kzittritsch/prometheus,JavierZunzunegui/prometheus,Conorbro/prometheus,AlekSi/prometheus,Conorbro/prometheus,alileza/prometheus,Conorbro/prometheus,JavierZunzunegui/prometheus,tomwilkie/prometheus,tomwilkie/prometheus,alileza/prometheus,brancz/prometheus,amorken/prometheus,Stackdriver/stackdriver-prometheus,kangwoo/prometheus,tomwilkie/prometheus,keegancsmith/prometheus,amorken/prometheus,SaltedMan/prometheus-annotated,Gouthamve/prometheus,dsymonds/prometheus,prometheus/prometheus,SaltedMan/prometheus-annotated,Colstuwjx/prometheus,GoogleCloudPlatform/prometheus,Stackdriver/stackdriver-prometheus,SaltedMan/prometheus-annotated,kangwoo/prometheus,tomwilkie/prometheus,prometheus/prometheus,dsymonds/prometheus,prometheus/prometheus,keegancsmith/prometheus,yanghongkjxy/prometheus,keegancsmith/prometheus,kangwoo/prometheus,kzittritsch/prometheus,JavierZunzunegui/prometheus,Colstuwjx/prometheus,kzittritsch/prometheus,amorken/prometheus,Gouthamve/prometheus,brancz/prometheus,alileza/prometheus,dsymonds/prometheus,AlekSi/prometheus,Colstuwjx/prometheus,GoogleCloudPlatform/prometheus,amorken/prometheus,keegancsmith/prometheus,AlekSi/prometheus,Gouthamve/prometheus,yanghongkjxy/prometheus,Stackdriver/stackdriver-prometheus,dsymonds/prometheus,AlekSi/prometheus,Stackdriver/stackdriver-prometheus,brancz/prometheus,GoogleCloudPlatform/prometheus,SaltedMan/prometheus-annotated,keegancsmith/prometheus,kangwoo/prometheus,JavierZunzunegui/prometheus,yanghongkjxy/prometheus,GoogleCloudPlatform/prometheus,yanghongkjxy/prometheus