[android] Enable low end device mode (#4625)

1. Enable low end device mode to reduce memory usage.
2. The rendering issue was due to the memory limits in Blink, which is
resolved in m126+, where two upstream commits
(#4636,
#4637) were cherry picked.

b/380310632

cobalt/android/apk/app/src/main/java/dev/cobalt/coat/CobaltActivity.java

@@ -104,11 +104,8 @@ protected void createContent(final Bundle savedInstanceState) {
     if (!CommandLine.isInitialized()) {
       ((CobaltApplication) getApplication()).initCommandLine();
 
-      // Note that appendSwitchesAndArguments excludes cobaltCommandLineParams[0]
-      // as the program name, and all other arguments SHOULD start with '--'.
       String[] cobaltCommandLineParams =
           new String[] {
-            "",
             // Disable first run experience.
             "--disable-fre",
             // Disable user prompts in the first run.
@@ -125,6 +122,8 @@ protected void createContent(final Bundle savedInstanceState) {
             "--enable-features=LogJsConsoleMessages",
             // Disable rescaling Webpage.
             "--force-device-scale-factor=1",
+            // Enable low end device mode.
+            "--enable-low-end-device-mode",
           };
       CommandLine.getInstance().appendSwitchesAndArguments(cobaltCommandLineParams);