Accept EBUSY return in load hint CTS

Since the rate limiter is not intended to be stable or immutable in its behavior, the CTS should not have a dependency on it behaving in a certain way. This will be fixed by a longer-term update to the rate limiter expectations.

Bug: 385808376
Change-Id: I2b9e9ad09f313f1ad060978b0c4d1fb5612df5b1
Test: atest android.os.cts.PerformanceHintManagerTest
Flag: EXEMPT ndk
1 file changed