[Telemetry] Reduce page cycler cycle time by about another 10% on android.

tools/telemetry/telemetry/core/platform/android_platform_backend.py

Index: tools/telemetry/telemetry/core/platform/android_platform_backend.py
diff --git a/tools/telemetry/telemetry/core/platform/android_platform_backend.py b/tools/telemetry/telemetry/core/platform/android_platform_backend.py
index d0ec854e32dc51968b566a2c9614021f33373f3a..e65865f55a8b8f7770ee4ae90b8b4d3cffa90731 100644
--- a/tools/telemetry/telemetry/core/platform/android_platform_backend.py
+++ b/tools/telemetry/telemetry/core/platform/android_platform_backend.py
@@ -109,21 +109,6 @@ class AndroidPlatformBackend(
   def HasBeenThermallyThrottled(self):
     return self._thermal_throttle.HasBeenThrottled()
 
-  def GetSystemCommitCharge(self):
-    for line in self._device.old_interface.RunShellCommand(
-        'dumpsys meminfo', log_result=False):
-      if line.startswith('Total PSS: '):
-        return int(line.split()[2]) * 1024
-    return 0
-
-  @decorators.Cache
-  def GetSystemTotalPhysicalMemory(self):
-    for line in self._device.old_interface.RunShellCommand(
-        'dumpsys meminfo', log_result=False):
-      if line.startswith('Total RAM: '):
-        return int(line.split()[2]) * 1024
-    return 0
-
   def GetCpuStats(self, pid):
     if not self._can_access_protected_file_contents:
       logging.warning('CPU stats cannot be retrieved on non-rooted device.')