Document update for running android apps

Bug: libyuv:803
Test: out/Release/bin/run_libyuv_unittest -v --gtest_filter=*ToRGB565* --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=999 --libyuv_flags=-1  --libyuv_cpu_info=-1 2>&1 | sortms
Change-Id: I024823752e410e55076cb5c5ec5ca78736848f86
Reviewed-on: https://chromium-review.googlesource.com/1173662Reviewed-by: Patrik Höglund <phoglund@chromium.org>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>

docs/getting_started.md

@@ -152,15 +152,15 @@ arm disassembly:
 
 Running tests:
 
-    build/android/test_runner.py gtest -s libyuv_unittest -t 7200 --verbose --release --gtest_filter=*
+    out/Release/bin/run_libyuv_unittest -vv --gtest_filter=*
 
 Running test as benchmark:
 
-    build/android/test_runner.py gtest -s libyuv_unittest -t 7200 --verbose --release --gtest_filter=* -a "--libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=999 --libyuv_flags=-1  --libyuv_cpu_info=-1"
+    out/Release/bin/run_libyuv_unittest -vv --gtest_filter=* --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=999 --libyuv_flags=-1  --libyuv_cpu_info=-1
 
 Running test with C code:
 
-    build/android/test_runner.py gtest -s libyuv_unittest -t 7200 --verbose --release --gtest_filter=* -a "--libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=999 --libyuv_flags=1 --libyuv_cpu_info=1"
+    out/Release/bin/run_libyuv_unittest -vv --gtest_filter=* --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=999 --libyuv_flags=1 --libyuv_cpu_info=1
 
 ### Build targets