Increase the timeout from 30secs to 50secs waiting for the blob commit to complete.

Bug: 189907169
Change-Id: I7ccb28d30274f9f07b164ff2f2f90019ad650483
Merged-In: I7ccb28d30274f9f07b164ff2f2f90019ad650483
Test: run cts -m CtsBlobStoreHostTestHelper -t com.android.cts.host.blob.DataPersistenceTest#testDataIsPersistedAcrossReboot
2 files changed