Revert "Try to deflake CtsInputMethodServiceHostTestCases"

This reverts commit 99d9d9718502356286e0b1847d2e06da0347c4b4 [1]

Reason for revert:
Somehow this is now all tests in CtsInputMethodServiceHostTestCases are
100% failing on continuous CTS.  We need to revert this first until we
figure out what is going on.

 [1]: I306d66a65ebabefeec02dd247f26f87709731a27

Bug: 70730589
Change-Id: Idd59402e0327f4ec18c68ffe87c2c70702e93baf
Test: atest CtsInputMethodServiceHostTestCases
5 files changed