Allow deleting a call log entry in the call log UI and the call details UI.

In the call log UI, an entry can be deleted by selecting "delete" in its context menu.
In the call details UI, a "delete" button is added at the bottom.

The "delete" icon at the top right of the call details UI is removed.

Public-Origin-Change-Id: Iabe1310fb9a97a277cf482a3fd61ffccbec125fe
Signed-off-by: Linyu He <linyuh@google.com>
Author: Masafumi Miya <masafumi.miya@sony.com>
Bug: 38188896
Test: CallLogActivityIntegrationTest, CallDetailsActivityIntegrationTest
PiperOrigin-RevId: 176677167
Change-Id: I2e31cd112efdfb83393f5e68ce016dcf36ac4858