Remove DATA_ENABLED_PROP system property.

DATA_ENABLED_PROP system property is used inclusively to
ImsManager to keep track of whether mobile data is enabled. Now
we have a system API that ImsManager can use. So we are removing
it.

Bug: 67602046
Test: manual and existing unit-tests
Change-Id: I0e1100a72674737adcc06fe36110f4dc3ed25056
Merged-In: I0e1100a72674737adcc06fe36110f4dc3ed25056
1 file changed
tree: 1110652e6b01e92062664e637fa485212cd3f072
  1. src/
  2. tests/
  3. Android.mk
  4. CleanSpec.mk
  5. OWNERS
  6. README.txt