Rename EmergencyCallDiagnosticParam API

For naming consistency between the class and method, rename
EmergencyCallDiagnosticParam to EmergencyCallDiagnosticData. This
feedback was given from API review.

Bug: 322979365
Bug: 311773409
Test: atest TelephonyManagerTest
Change-Id: Idc8378d2e5944a052e8660e20e4945d0b5eea4bb
1 file changed