HWUI: prepare script for ryu

Test: cpu adb shell cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
Test: gpu adb shell cat /sys/devices/57000000.gpu/pstate

Change-Id: I6a932f534b37058b14dccce349897679e1617f9f

libs/hwui/tests/scripts/prep_ryu.sh

@@ -0,0 +1,31 @@
+adb root
+adb wait-for-device
+adb shell stop thermal-engine
+adb shell stop perfd
+
+# 51000 102000 204000 306000 408000 510000 612000 714000 816000 918000
+# 1020000 1122000 1224000 1326000 1428000 1530000 1632000 1734000 1836000 1912500
+S=1326000
+echo "set cpu to $S hz";
+adb shell "echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+adb shell "echo $S > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
+adb shell "echo $S > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
+
+#01: core 76 MHz emc 408 MHz
+#02: core 153 MHz emc 665 MHz
+#03: core 230 MHz emc 800 MHz *
+#04: core 307 MHz emc 1065 MHz
+#05: core 384 MHz emc 1331 MHz
+#06: core 460 MHz emc 1600 MHz
+#07: core 537 MHz emc 1600 MHz
+#08: core 614 MHz emc 1600 MHz
+#09: core 691 MHz emc 1600 MHz
+#0a: core 768 MHz emc 1600 MHz
+#0b: core 844 MHz emc 1600 MHz
+#0c: core 921 MHz emc 1600 MHz
+#0d: core 998 MHz emc 1600 MHz
+#AC: core 230 MHz emc 800 MHz a A d D
+
+echo "set gpu to core 307 MHz emc 1065 MHz"
+# it will lock gpu until you touch a screen
+adb shell "echo 04 > /sys/devices/57000000.gpu/pstate"