Perftests for StrictMode

Add perf tests for:

* Disk read thread policy violation
* URI permission VM policy violation
* Disk read across binder thread policy violation

lunch walleye-userdebug

timeThreadViolation_mean=293735
timeThreadViolation_median=290845
timeThreadViolation_min=285718
timeThreadViolation_standardDeviation=8368

timeCrossBinderThreadViolationNoStrictMode_mean=1327809
timeCrossBinderThreadViolationNoStrictMode_median=1317313
timeCrossBinderThreadViolationNoStrictMode_min=1260868
timeCrossBinderThreadViolationNoStrictMode_standardDeviation=58085

timeCrossBinderThreadViolation_mean=2754359
timeCrossBinderThreadViolation_median=3170103
timeCrossBinderThreadViolation_min=1773987
timeCrossBinderThreadViolation_standardDeviation=704586

timeVmViolationNoStrictMode_mean=10764979
timeVmViolationNoStrictMode_median=9762317
timeVmViolationNoStrictMode_min=5187496
timeVmViolationNoStrictMode_standardDeviation=4099275

timeVmViolation_mean=20003781
timeVmViolation_median=21730129
timeVmViolation_min=14321899
timeVmViolation_standardDeviation=3837213

timeThreadViolationNoStrictMode_mean=237276
timeThreadViolationNoStrictMode_median=241457
timeThreadViolationNoStrictMode_min=227193
timeThreadViolationNoStrictMode_standardDeviation=8892

Bug: 65966451
Test: adb shell am instrument -w -e class android.os.StrictModeTest \
    com.android.perftests.core/android.support.test.runner.AndroidJUnitRunner

Change-Id: I97773e1060e21cf78649454973426985b33d3350