DO NOT MERGE Increase the size of the test freeform activity.

Also clean up unused variable TEST_TASK_SIZE_2.

Change-Id: I37ec83e4ce5cff7eebd6f01efab37bc78b7c277b
Merged-In: I32aea1d31db36af9d07c8e1470c37db1ddce67e5
Fix: 349402977
Test: FreeformWindowingModeTests
Flag: TEST_ONLY
2 files changed