Fix StringPool on 32-bit Android

Blocks needs to be page aligned. It wasn't on 32 bit arm.
Also make the test faster.
Also disable the trace processor integration tests on
Android. Looks like run_android_test doesn't push the
required test data.

Change-Id: Ie3b990080e5f580d928494d6c97d979d900af567
diff --git a/Android.bp b/Android.bp
index 5202139..c84ee57 100644
--- a/Android.bp
+++ b/Android.bp
@@ -4403,6 +4403,7 @@
     "src/trace_processor/clock_tracker_unittest.cc",
     "src/trace_processor/counter_definitions_table.cc",
     "src/trace_processor/counter_values_table.cc",
+    "src/trace_processor/cpu_profile_stack_sample_table.cc",
     "src/trace_processor/db/bit_vector.cc",
     "src/trace_processor/db/bit_vector_unittest.cc",
     "src/trace_processor/db/column.cc",