[Testing] Use AndroidJUnit4 instead in TelephonyBasePreferenceControllerTest

1. Use AndroidJunit4 instead of RobolectricTestRunner
2. Use ApplicationProvider instead of RuntimeEnvironment to get context
3. Change Copy Right

Bug: 164986221
Test: atest -c TelephonyBasePreferenceControllerTest
Merged-In: Iabe24aef0b7a5c3aa9d7be275f0c4ed552cdd2e8
Change-Id: I8dbe2f544930ef02732c618fb392c2dec1abaa2f
1 file changed