Explicit calls to destroy() in Refocus CTS test

Bug: 28053584

Release Allocation and ScriptC objects ASAP.
Turned StrictMode on for RenderScript destroy() calls.

Test: CTS and grep StrictMode in device logs on x86_64 emulator and Angler

Change-Id: Ie60f3c2c0da80a37f214ce192070b6daf987ae79
7 files changed