tree e6268378163e32b43939db959c069504bdad7a4e
parent a170ec6a87f2720eb9846ea75cd9807db54b12ad
author Alec Mouri <alecmouri@google.com> 1615342645 -0800
committer Alec Mouri <alecmouri@google.com> 1615344053 -0800

Don't clear all of global stats when clearing layer stats.

Otherwise this produces significant server-side skew when validating
stats because pulling layer stats can destroy any pending global stats,
which can cause the loss of an entire day's worth of data.

Bug: 177999557
Test: libsurfaceflinger_unittest
Test: adb shell cmd stats pull-source 10062
Test: adb shell cmd stats pull-source 10063
Change-Id: I60599a584a189a60e7eac9eaba0800d6ade76b90