Revert "Don't use WAL in TelephonyProvider to work around b/113352727"

This reverts commit 5a29f7bfdc018f4645a64492784efb85d3075bbe.

Reason for revert: It did not mitigate b/113352727 and we found the root issue.
To avoid unnecessary churn on public devices, we'd like to not disable WAL.

Change-Id: I30fb29fd8f92f3e2f1357dfb27a9aa11a83b4941


Bug: 113352727
1 file changed