Use testapi to trigger gc in system and sysui

- Do this prior to gc'ing launcher to ensure that temporary binder
  refs on the system side a released

Bug: 186268407
Test: Presubmit

Change-Id: I7878e1042b07ded5491af6153cff9b0772c557db

parent bcf85de8

tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -1349,6 +1349,8 @@ public final class LauncherInstrumentation {
		}

		public int getTotalPssKb() {
		// GC the system & sysui first before gc'ing launcher
		logShellCommand("cmd statusbar run-gc");
		return getTestInfo(TestProtocol.REQUEST_TOTAL_PSS_KB).
		getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
		}