Set tests targetSdkVersion to be >= 17

As part of deprecation policy enforcement for android apps, minimum
supported targetSdkVersion will be 17, otherwise test apks
will fail to install.

dpi2 tests required an update to accunt to altered targetSdkVersion
(sanity check updated to use minSdkVersion).

Test: CtsCalendarcommon2TestCases & CtsDpiTestCases2
Bug: 63926630
Change-Id: Ic6b12aecc8f65ddda5d14c8b74155065eae8034d
diff --git a/build/device_info_package.mk b/build/device_info_package.mk
index 5c290b0..ba4fbb0 100644
--- a/build/device_info_package.mk
+++ b/build/device_info_package.mk
@@ -42,7 +42,7 @@
 endif
 
 ifeq ($(DEVICE_INFO_TARGET_SDK),)
-DEVICE_INFO_TARGET_SDK := 8
+DEVICE_INFO_TARGET_SDK := 17
 endif
 
 # Add the base device info