Trying to fix flaky tests related to testCharSequence*

We now recycle the Parcels after use. Hoping this fixes/reduces flakiness.

Bug: 62715590
Test: adb shell am instrument -w -e package android.text com.android.frameworks.coretests/android.support.test.runner.AndroidJUnitRunner
Change-Id: Ifbce8d8a7d823d36aa7bfbeae49059ae15abd334
1 file changed